Update clang-format config to fit style guidelines

Author: invokr

src/.clang-format

@@ -1,17 +1,17 @@
 ---
 Language:        Cpp
 AccessModifierOffset: -2
-AlignAfterOpenBracket: Align
+AlignAfterOpenBracket: DontAlign
 AlignConsecutiveAssignments: false
 AlignConsecutiveDeclarations: false
 AlignEscapedNewlinesLeft: false
 AlignOperands:   true
 AlignTrailingComments: true
 AllowAllParametersOfDeclarationOnNextLine: true
-AllowShortBlocksOnASingleLine: false
-AllowShortCaseLabelsOnASingleLine: false
+AllowShortBlocksOnASingleLine: true
+AllowShortCaseLabelsOnASingleLine: true
 AllowShortFunctionsOnASingleLine: Inline
-AllowShortIfStatementsOnASingleLine: false
+AllowShortIfStatementsOnASingleLine: true
 AllowShortLoopsOnASingleLine: false
 AlwaysBreakAfterDefinitionReturnType: None
 AlwaysBreakAfterReturnType: None
@@ -35,7 +35,7 @@ BreakBeforeBinaryOperators: None
 BreakBeforeBraces: Custom
 BreakBeforeTernaryOperators: false
 BreakConstructorInitializersBeforeComma: false
-ColumnLimit:     100
+ColumnLimit:     120
 CommentPragmas:  '^ (IWYU pragma:|NOLINT)'
 ConstructorInitializerAllOnOneLineOrOnePerLine: false
 ConstructorInitializerIndentWidth: 4
@@ -50,7 +50,7 @@ IncludeCategories:
   - Regex:           '^"'
     Priority:        2
 IndentCaseLabels: false
-IndentWidth:     2
+IndentWidth:     4
 IndentWrappedFunctionNames: false
 KeepEmptyLinesAtTheStartOfBlocks: false
 MacroBlockBegin: ''
@@ -80,6 +80,6 @@ SpacesInCStyleCastParentheses: false
 SpacesInParentheses: false
 SpacesInSquareBrackets: false
 Standard:        Cpp11
-TabWidth:        2
+TabWidth:        4
 UseTab:          Never
 ...