changes to the contributing guide.
Fixed formatting in some of the instructions
clarified some language
added a note about turning off npm colors for windows users
Merge commit '80802e68d8f00ac27799a968295b11bd8c8ad19c' into contrib-guide
Fixed (hopefully) some minor list formatting
more changes to the CONTRIBUTING.md guide
added guides for the grunt tasks for feature and issue management
more updates to CONTRIBUTING.md
another clarification to CONTRIBUTING.md
cleaned up more grammar and syntax.
Updated to new changelog layout. Deleted changelog2 test file.
Added date to changelog
Updated contrib.json to use new videojs org
Updated contrib.json to have org and project names.
Merge branch 'stable'
Adding line to CHANGELOG
Merge branch 'stable'
Adding line to CHANGELOG
Merge branch 'stable'
Close GH-515: createEl: dispose reference to cloned element. Fixes #514
Adding line to CHANGELOG