first improvements to transform docs
Transform and Transformable docs
Alignment docs
transform composable
VComposable TransfromChain doced
invvertable docs
fix up tests from apply_inplace change
minor whitespace fixes
Merge remote-tracking branch 'upstream/master' into transformdocs

Conflicts:
	menpo/image/masked.py
Merge pull request #361 from jabooth/transformdocs

transform.base