Update readme with version history

Signed-off-by: Aniket Pant <me@aniketpant.com>
Ugly implementation of local options.
Fixes #9
Improve docs for v0.1.1
Update grunt file
Rewrite code in CoffeeScript
Fix paths
Library updated with common modal container
Update docs
Bump version
v0.2.0
Merge pull request #14 from aniketpant/develop

Enhancement: Common modal container
Content option overrides everything else
Merge pull request #16 from aniketpant/develop

Content option overrides everything else
Fix content option bug
Each element has it's own setting
Fix logic of content option
Pressing escape closes modal
Fixes #7
Allow library to be downloaded by bower
After all this is for the front-end.

Signed-off-by: Aniket Pant <me@aniketpant.com>
Merge pull request #18 from aniketpant/develop

Minor improvements for the good of the world
Resolve shit