- Implemented a new logic for detecting heavy converted swf files from PDF, using obejct placements, text and bitmap count.
- pdf2swf conversion fallback to 'bitmap' instead of 'poly2bitmap' to garantee that file can be opened fast with flash player.

Renamed "swfdump" to "swfdumpfx" to avoid any collision with any existing install of SWFTools or Flex SDK.

Fix emoji buttons overlapping the slide buttons on portrait view

Fix a bug introduced on the user list design changes on HTML5

Correct the presentation back button enabled check

html5client: modified the handling of users on meteor started

Work on HTML5 client file uploader for presenters.

* upstream/master:
  Reduced the amount of LESS code for emoji animations by using a loop.
  Fixed the size and internal proportions of the Exit Fullscreen button.
  Removed the thin black lines inside the happy face and sad face icons occurring due to an implicit SVG path closure.

HTML5 client: UI bug fixes and some code optimization.

html5client:fix presentation slide change from html5 presenter

Aligned mobile side menu, changed menu background color

Removed the thin black lines inside the happy face and sad face icons occurring due to an implicit SVG path closure.

Rounded percentage results on polls at HTML5 client

Work on HTML5 client bug when deleting a presentation.