Replace @while loops with @for loops

This makes the code shorter and easier to read. In addition, it makes it
compile successfully with pyScss, which doesn't support @while loops.
Merge pull request #60 from jodal/remove-while-loops

Replace @while loops with @for loops
Fixed $gridColums with $gridColumns
Merge pull request #62 from anwarjaved/patch-1

Fixed $gridColums with $gridColumns
add missing gradient-vertical-three-colors mixing

fix https://github.com/jlong/sass-twitter-bootstrap/issues/64
Merge pull request #65 from m5o/mixin-gradient-horizontal-three-colors

add missing gradient-vertical-three-colors mixing
build bootstrap v2.3.1 from SASS files

* [Replace @while loops with @for loops](https://github.com/jlong/sass-twitter-bootstrap/pull/60)

* [missing gradient-vertical-three-colors mixing}(https://github.com/jlong/sass-twitter-bootstrap/pull/65)
[TASK] add missing semi colon
Merge pull request #66 from kaystrobach/master

add missing semi-colon :D
minor add space
Update component.json

So bower stops overwriting jQuery 1.9.1 with 1.8.3
fix bower install command
Merge pull request #68 from laurentChin/patch-1

fix bower install command
Merge pull request #67 from JoeCianflone/patch-1

Update component.json
readme improvements