Merge pull request #138 from hannu/update-deps-2

Update GCC in travis.yml. Fix build
Prevent watch server crashing when there is style syntax error
Improve designer tool UI. Add examples to styleguide
Make sure that elements does not overlap modifier label
Merge pull request #133 from hannu/fix-z-index

Make sure that elements does not overlap modifier label
Merge pull request #136 from hannu/designer-tool-styles

Improve designer tool UI. Add examples to styleguide
Merge pull request #139 from hannu/handle-style-errors

Prevent watch server crashing when there is style syntax error
Get socket returns promise and sassVariables --> styleVariables
Merge pull request #135 from anttisalo/sassVariablesRenamed

Get socket returns promise and sassVariables --> styleVariables
Change variables values for SCSS syntax
Normal overwriting of multiple values
Pass syntax when setting variables
Change variables in LESS syntax
No test for "generate valid SASS file when original file is empty"
Codestyle
Changing variables for LESS
Tests for setting valiables with Parser
Codestyle fixes
Tests for comments and indents
Merge pull request #137 from varya/features/gonzales-4-writing

Use real parser to update changed variables to source SASS/LESS file