GCC refactor.
Small fixes.
Merge branch 'master' into gcc_refactor
Moved syntastic#gcc#GetLocList() to autoload/syntastic/c.vim.
Merge branch 'master' into gcc_refactor
Merge branch 'master' into gcc_refactor
Bug fix: nasm output.
Merge branch 'master' into gcc_refactor
Merge branch 'master' into gcc_refactor
Merge branch master.
Merge branch 'master' into gcc_refactor
Bug fix: proper escaping in config files.
Remove leading and trailing spaces when reading C config files.
Preserve order in checker lists.  Fixes #684.

Keep order from g:syntastic_[filetype]_checkers and s:defaultCheckers in
getActiveCheckers().  Keep order in syntastic#util#unique().
Merge branch 'master' into gcc_refactor
Added option 'cwd' to SyntasticMake().
Let eruby checker can handle UTF-8
eRuby: take into account &fileencoding.
Print a message if no active checkers are found.
Debug message: shell return value.