Update Readme (#83)

- Update "Installation" section
- Add information about using as a Node.js module
- Show example of using as a global and a local module
Fix syntax detecting (close #99)

Get file's extension and check if it's present in a list of supported syntaxes.
If not, ignore the file.
Merge pull request #108 from csscomb/tg/readme

Update Readme (#83)
Update Gonzales to v2.0.1

- `propertyDelim` node was added (that is `:` between properties and values)
- `decldelim` node was renamed to `declDelim`
- `funktion` node was renamed to `function`
Merge pull request #110 from csscomb/tg/gonzales-201

Update Gonzales to v2.0.1
Always semicolon: support scss and less
Merge pull request #100 from csscomb/tg/detect-file-syntax

Fix syntax detecting (#99)
Merge pull request #113 from csscomb/tg/always-semicolon

always-semicolon: Support for scss and less
First steps to detection
Added the detection for colon-space option; added way to tell which options to detect
Added the detection for color-case option
Added the detection for color-shorthand option
Added integral detection test
Added the detection for combinator-space option
Added the detection for elements-case option
Added the detection for eof-newline option
Added the detection for unitless zero option
Added the detection for leading-zero option
Added the detection for strip-spaces option
Added the detection for remove-empty-rulesets option