Modified readme and use the newly created page as a manual

Merge remote-tracking branch 'origin/master'

- Fixed bug on AnimOffset mask bar color

- Changed the color to be the "preview range"

- Anim offset bar color match theme.

- Now curve tools work with shape keys.

Merge pull request aresdevo#86 from abrasic/master

Update ops.py

Update curve.py

Deleted "transform" line in the "new" function

Merge pull request aresdevo#77 from Festivize/master

Thanks for the help

-Fixed smooth tool bad behaviour

-More fixes to the Key Manager