added tox targets for reformatting and code cleanup

Change-Id: Id656633070e3c4e1f80333c82ab6a4dcfbfce198

.clang-format

+---
+Language:        Cpp
+# BasedOnStyle:  Google
+AccessModifierOffset: -4
+AlignAfterOpenBracket: Align
+AlignConsecutiveMacros: false
+AlignConsecutiveAssignments: false
+AlignConsecutiveDeclarations: false
+AlignEscapedNewlines: Left
+AlignOperands:   true
+AlignTrailingComments: true
+AllowAllArgumentsOnNextLine: true
+AllowAllConstructorInitializersOnNextLine: true
+AllowAllParametersOfDeclarationOnNextLine: true
+AllowShortBlocksOnASingleLine: false
+AllowShortCaseLabelsOnASingleLine: false
+AllowShortFunctionsOnASingleLine: Inline
+AllowShortLambdasOnASingleLine: All
+AllowShortIfStatementsOnASingleLine: false
+AllowShortLoopsOnASingleLine: true
+AlwaysBreakAfterDefinitionReturnType: None
+AlwaysBreakAfterReturnType: None
+AlwaysBreakBeforeMultilineStrings: true
+AlwaysBreakTemplateDeclarations: true
+BinPackArguments: true
+BinPackParameters: true
+BraceWrapping:
+  AfterCaseLabel:  false
+  AfterClass:      false
+  AfterControlStatement: false
+  AfterEnum:       false
+  AfterFunction:   false
+  AfterNamespace:  false
+  AfterObjCDeclaration: false
+  AfterStruct:     false
+  AfterUnion:      false
+  AfterExternBlock: false
+  BeforeCatch:     false
+  BeforeElse:      false
+  IndentBraces:    false
+  SplitEmptyFunction: true
+  SplitEmptyRecord: true
+  SplitEmptyNamespace: true
+BreakBeforeBinaryOperators: None
+BreakBeforeBraces: Attach
+BreakBeforeInheritanceComma: false
+BreakInheritanceList: BeforeColon
+BreakBeforeTernaryOperators: true
+BreakConstructorInitializersBeforeComma: false
+BreakConstructorInitializers: BeforeColon
+BreakAfterJavaFieldAnnotations: false
+BreakStringLiterals: true
+ColumnLimit:     128
+CommentPragmas:  '^( IWYU pragma:|\\.+|/[^/].+)'
+CompactNamespaces: false
+ConstructorInitializerAllOnOneLineOrOnePerLine: true
+ConstructorInitializerIndentWidth: 4
+ContinuationIndentWidth: 4
+Cpp11BracedListStyle: true
+#DeriveLineEnding: true
+DerivePointerAlignment: false
+DisableFormat:   false
+ExperimentalAutoDetectBinPacking: false
+FixNamespaceComments: true
+ForEachMacros:
+  - foreach
+  - Q_FOREACH
+  - BOOST_FOREACH
+IncludeBlocks:   Regroup
+IncludeCategories:
+  - Regex:           '^<ext/.*\.h>'
+    Priority:        4
+#    SortPriority:    0
+  - Regex:           '^<.*\.h>'
+    Priority:        3
+#    SortPriority:    0
+  - Regex:           '^<.*'
+    Priority:        2
+#    SortPriority:    0
+  - Regex:           '.*'
+    Priority:        1
+#    SortPriority:    0
+IncludeIsMainRegex: '([-_](test|unittest)i|Test)?$'
+#IncludeIsMainSourceRegex: ''
+IndentCaseLabels: true
+#IndentGotoLabels: true
+IndentPPDirectives: None
+IndentWidth:     4
+IndentWrappedFunctionNames: false
+JavaScriptQuotes: Leave
+JavaScriptWrapImports: true
+KeepEmptyLinesAtTheStartOfBlocks: false
+MacroBlockBegin: ''
+MacroBlockEnd:   ''
+MaxEmptyLinesToKeep: 1
+NamespaceIndentation: All
+ObjCBinPackProtocolList: Never
+ObjCBlockIndentWidth: 2
+ObjCSpaceAfterProperty: false
+ObjCSpaceBeforeProtocolList: true
+PenaltyBreakAssignment: 2
+PenaltyBreakBeforeFirstCallParameter: 1
+PenaltyBreakComment: 300
+PenaltyBreakFirstLessLess: 120
+PenaltyBreakString: 1000
+PenaltyBreakTemplateDeclaration: 10
+PenaltyExcessCharacter: 1000000
+PenaltyReturnTypeOnItsOwnLine: 200
+PointerAlignment: Right
+RawStringFormats:
+  - Language:        Cpp
+    Delimiters:
+      - cc
+      - CC
+      - cpp
+      - Cpp
+      - CPP
+      - 'c++'
+      - 'C++'
+    CanonicalDelimiter: ''
+    BasedOnStyle:    google
+  - Language:        TextProto
+    Delimiters:
+      - pb
+      - PB
+      - proto
+      - PROTO
+    EnclosingFunctions:
+      - EqualsProto
+      - EquivToProto
+      - PARSE_PARTIAL_TEXT_PROTO
+      - PARSE_TEST_PROTO
+      - PARSE_TEXT_PROTO
+      - ParseTextOrDie
+      - ParseTextProtoOrDie
+    CanonicalDelimiter: ''
+    BasedOnStyle:    google
+ReflowComments:  true
+SortIncludes:    true
+SortUsingDeclarations: true
+SpaceAfterCStyleCast: false
+SpaceAfterLogicalNot: false
+SpaceAfterTemplateKeyword: true
+SpaceBeforeAssignmentOperators: true
+SpaceBeforeCpp11BracedList: false
+SpaceBeforeCtorInitializerColon: true
+SpaceBeforeInheritanceColon: true
+SpaceBeforeParens: ControlStatements
+SpaceBeforeRangeBasedForLoopColon: true
+#SpaceInEmptyBlock: false
+SpaceInEmptyParentheses: false
+SpacesBeforeTrailingComments: 2
+SpacesInAngles:  false
+#SpacesInConditionalStatement: false
+SpacesInContainerLiterals: true
+SpacesInCStyleCastParentheses: false
+SpacesInParentheses: false
+SpacesInSquareBrackets: false
+#SpaceBeforeSquareBrackets: false
+Standard:        Cpp03
+StatementMacros:
+  - Q_UNUSED
+  - QT_REQUIRE_VERSION
+TabWidth:        4
+#UseCRLF:         false
+UseTab:          Always
+...
+

setup.py

+from setuptools import setup
+
+setup(
+    name='dummy_for_tox',
+)
+

tox.ini

+# Tox (http://tox.testrun.org/) is a tool for running tests
+# in multiple virtualenvs. This configuration file will run the
+# test suite on all supported python versions. To use it, "pip install tox"
+# and then run "tox" from this directory.
+
+[tox]
+envlist = reformat,tidy,tidyprojects
+skip_missing_interpreters = True
+pip_pre=False
+skip_install = True
+skipsdists = True
+
+[testenv]
+install_command =
+    pip install --index https://pypi.org/simple \
+        --extra-index-url https://devpi.coast-project.org/coast/CoastSconsider/+simple \
+        --disable-pip-version-check {opts} {packages}
+
+[testenv:reformat]
+basepython =
+    python2.7
+deps =
+    yapf
+    docformatter
+    clang-format==9.0.0
+
+whitelist_externals =
+    find
+    bash
+    grep
+    git
+commands =
+    - bash -c \
+        "for n in $(find cgCore coastGuard '(' -name '*.sconsider' -o -name '*.py' ')'); do \
+            yapf --in-place $n || echo reformat failed at $n; \
+            docformatter --in-place $n; \
+        done;"
+    - bash -c "clang-format --verbose -i $(git ls-files -- '*.h' '*.hpp' '*.cpp');"
+
+[testenv:tidy]
+basepython =
+    python2.7
+
+whitelist_externals =
+    bash
+    clang-tidy
+    git
+commands =
+    - bash -c \
+        "clang-tidy --fix --fix-errors --quiet $(git ls-files -- '*.h' '*.hpp' '*.cpp');"
+
+[testenv:tidyprojects]
+basepython =
+    python2.7
+
+whitelist_externals =
+    bash
+    clang-tidy
+    sed
+commands =
+    - bash -c "ls -l; clang-tidy --fix --fix-errors --quiet $(sed -rn 's|^.*file.:\s+.(.*).$|\1| p' compile_commands.json );"