- start implementing standalone pre-flight check page
 - start adding checks
 - add some checks for java
 - make polling module run with latest master
 - check for microphone
Merge branch 'make-polling-start-up'
Merge branch 'implement-pre-flight'

Conflicts:
	bigbluebutton-client/build.xml
 - don't show switch presenter button if you are already presenter
 - don't make upload button fix sized to allow changing icon through CSS
UI modifications when user is talking
Merge branch 'master' of https://github.com/bigbluebutton/bigbluebutton
 - start add cam check
improve form in demo12
merge com upstream