some slight modifications
Merge branch 'master' of https://github.com/chewonit/cs3213-visual-ide-team20
Removed debugging.
Merge branch 'yjwong/master'
Merge remote-tracking branch 'upstream/master'

Conflicts:
	index.html
Merge pull request #10 from teemingchew/master

Google Auth and Save to Google Drive
Added scrollbar to commands when overflows in the y axis.

Fix cross-bowser auto page scroll when drag item is beyond page boundary.
Shrunk commands even further.
Moved position of the trash drop target for better UX.
Defined the width of the affix container when page is scrolled.
Tidied up the javascript affix code on the main js file.
Merge branch 'master' of https://github.com/chewonit/cs3213-visual-ide-team20
Changed some default values
Added If-Then-Else as a command
Implemented a simple static Underscore Template for all the commands.

Fixed the mobile view command scroll container height when window resized.
Added handle to drag and drop commands.

Extracted the HTML codes for the commands into an underscore template.
Added Google+ Logo.
Created template views for while and if commands.

Styled the if command.
Added css class to indicate which command is currently being executed.
Populated the default value into the template from the data store.
OOP-fied

Merge remote-tracking branch 'chewonit/master'

Conflicts:
	index.html
Merge remote-tracking branch 'chewonit/master'

Conflicts:
	index.html