Made the notifications look appropriately sized regardless of the device type or screen orientation.

Continued transitioning the mobile views to CSS pixels, corrected the sizes of Settings window's fonts/elements.

Merge branch 'master' of https://github.com/bigbluebutton/bigbluebutton into meteor-client-mobile-view

Conflicts:
	bigbluebutton-html5/app/client/stylesheets/chat.less
	bigbluebutton-html5/app/client/stylesheets/whiteboard.less

Custom polling window simplified.

Misc poll fixes

Added new window for adding custom polling choices.

Make votes noticeable

Polling, Sorting and URL Validation

Conflicts:
	bigbluebutton-client/src/org/bigbluebutton/modules/present/ui/views/PresentationWindow.mxml

Changed the whole way of how we calculate height and width of text elements, as the previous one didn't work in Firefox. Also, if the number of the votes doesn't fit the box then it's displayed in black on the right. Changed the colors to dark grey

Variable wb poll size

Fixed the mechanism of toggling the chat bar and made sure user is unable to resize the whiteboard when the chat is closed.

Puffin browser detection

Added phone/tablet detection, made the navbars look bigger on a mobile phone in landscape orientation.

Implement custom poll

HTML5 client: PNG legacy issue.

Merge branch 'master' of https://github.com/bigbluebutton/bigbluebutton into meteor-client-mobile-view