Document conversion update using swfdump and NuProcess library

- 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.

Add set presenter to HTML5

Add Kick user to HTML5

html5client:clear slide when presenter removes current presentation

html5client: reworked viewing slide change; moved the cursor out of Presentation collection

force display of slide even if .rendered does not trigger. Will need to decouple pointer coord from Presentation

 - cancel the message sending task when it takes a long time to compl…

 - fix where 2 events are recorded in redis for each voice event.

HTML5 client: redesigned mobile navbar and offset menus + small mobile view adjustments.

Changed the mobile navbar icons (thus reducing the number of animations) and redesigned the Settings menu.

Included the navbar under the dark overlay when offset menu is open in portrait, removed some redundant code.

html5client: fix bug-shapes were flushed no matter which meeting ends

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

html5client: Login error pop-up removed; reset the listenOnly defaults

html5client: fix for whiteboard annnotations issue

HTML5 client: Grunt configuration update + UI bug fixes and adjustments.

Added auto join audio for the HTML5 client