reflect 'textwidth' in js formatting

Reflect value of vim textwidth in js formatter commandline arguments (formatprg_args_expr_javascript)
Merge branch 'davibe-master'
Update README.md

update to new vundle pulgin manager
Merge pull request #29 from liuyang1/patch-1

Update README.md
Changed /dev/stdin to - in python definition. Fix #11 #24.
Merge branch 'master' of https://github.com/Chiel92/vim-autoformat
Add SCSS formatting using sass-convert
Update README to include SASS details
Add a missing period in the README
t push origin masterMerge branch 'chaucerbao-feature/add-scss-formatter'