Merge branch 'develop'
bump up version
bump up version
Fix documentation generation for equalize_hist.
Merge pull request #51 from gonzedge/master

Fix documentation generation for equalize_hist
Fix typo in morphology method documentation
Add details to morphology method documentation
Merge pull request #55 from lilibethdlc/morphology_documentation

Morphology documentation
Merge branch 'master' of https://github.com/ruby-opencv/ruby-opencv
Merge branch 'master' into develop