Enabling asset_bundler dev mode when watch attribute is in conf
Reformating code
Removing old comment
Fixes #13, watch means dev mode

Though, we probably still want serving
Clean up code consistency, remove < jekyll 1 code

- Remove compatibility checks for versions of jekyll < 1
- Compare classes/types with appropriate methods
- Converted inserted tabs to 2 spaces
Bump version to v0.11 for release

- Updated docs to reflect changes