Upgraded to Grunt 0.4.0.
Upgrade to Grunt 0.4.0 complete.  Safari on OSX bug fix.
Modified markdown function. Added grunt build task.

Markdown format output currently commented out.
Added reference to build shortcut on readme.md
Merge pull request #180 from djfarrelly/master

Upgraded to Grunt 0.4.0 and added Safari for Mac bug fix.
add idea files to gitignore
Merge branch 'develop' of github.com:niklasvh/html2canvas into develop