Separated OpenCV Bindings into its own package opencv-raw.

Add repository info to revelation.cabal.

Update README.md

typo fix.
Added some regular monadic functions (in addition to the pipes).
Added typesafe indexing to matrices.
Broken Mat.hs because of genSingletons TH.
Removed dimensions type parameter to matrices because opencv actually has crap support for anything other than 2D matrices (and 1D matrices with a single row and multiple columns). Used this fact to add easy indexing.
Some renaming.
Added matrix -> vector conversion.
Removed unnecessary extensions.
Added type safe matrix creation, inverses, and transpose. Also added documentation.
Added haddock documentation to repo.
Added basic matrix operations along with the MatExpr type.
Added scaling functions.