Add `.gitgnore` and update dependencies:

- `grunt-contrib-less`: v0.11.4 --> v0.12.0
- `grunt`: v0.4.2 --> v0.4.5
- `grunt-autoprefixer`: v1.0.1 --> v2.0.0
Merge branch 'update_dependencies_28112014' into dev
Update READMEs
Bump version number to v1.0.1; include Changelog section in README
Merge branch 'release/v1.0.1'