[systemverilog mode] Refactored pushing and popping of contexts
[systemverilog mode] Added noIndentKeywords option
[systemverilog mode] Fixed alignment when open brackets continue to
mulitple lines
[systemverilog mode] Fixed problem detecting closing keyword or bracket
when followed by another char.
[systemverilog mode] Moved bare regex into a variable
[systemverilog mode] Fixed linting errors