- added close() method to VideoCapture base on opencv capture's "release"
method
- added experimental ReadSync method : this serves two purposes:
 * usefull when not using callbacks
 * a possible workaround for huge memoryleaks in videocapture
added image.crop(x,y,width,height) to address #150
added check for number of channels in fetching pixel value. Addresses issue #147
Merge pull request #158 from salmanulhaq/issue-147

Added nchannel check. Fixes issue #147
- added nan dependency
- updated binding.gyp
- ported all header files to the nan api
- continued work migrating api to nan
Added a delete for the matrix - Issue 101
Changed MatchTemplate arg from path to matrix
Merge pull request #160 from jcao75/issue-101

Added a delete for the matrix - Issue 101
Merge branch 'issue-150' of github.com:salmanulhaq/node-opencv

Conflicts:
	examples/convert_image.js
Merge pull request #162 from oskardahlberg/master

Changed MatchTemplate arg from path to matrix
Bump version to 0.6.0
Added Matrix constructor with integer type field.
Exposed a bunch of OpenCV type constants.
- migration of OpenCV.h/.cc done
- migration of init.cc done
- migration of Matrix.cc about half done
- migration of Contours.cc in progress
- ported Contours.cc
- finished converting Matrix.cc (preliminary pass)
 * no compile error in nw-gyp v0.10.5
- first pass migration of all relevant source done
 * compiling ok under node 0.11.13
 * missing a  number of async methods
- implemented NAN version of async methods for Matrix.cc
- migrate the async methods of VideoCaptureWrap to NAN