Merge pull request #5 from will1b/master

Fix button width on compose panel
Merge pull request #6 from will1b/master

Revise README.md
Merge pull request #7 from will1b/master

Add colour to mention columns
ported column-headers-dark to scss
ported column-headers-light to scss
ported columns to scss
ported compose-accounts to scss
ported compose to scss
ported dogear to scss
ported radius to scss
ported tweet-dark to scss
ported tweet-light to scss
ported typography to scss
ported and unified variables
ported main style file
fixed less stuff in scss variables
fixed various stuff that actually shouldn't make any problems
removed sass-cache and broken css file
added gitignore
switch between dark and light theme should work now