implemented copyTo() func
fixed the rotate() func for angles which are multiple of 90
Merge pull request #1 from SergeMv/rotate

fixed the rotate() func for angles which are multiple of 90
added options for toBuffer() func
provided interpolation option for the resize() func
added some functions: cvtColor, split, merge, equalizeHist
Merge branch 'master' of https://github.com/SergeMv/node-opencv
removed unneeded stuff
Merge pull request #70 from SergeMv/master

Did several changes and added some new functions