Merge tag 'v0.8' into layout-module

 - tagging version 0.8
when the user saves the layout, the output file shouldn't present the <layout-block> tag - this is just internal to exchange layouts among the participants
fixing the layout manager startup, just like it was done on master
Testing tab order; focus bug on ChatBox.mxml TextArea/TextInput
Fixed chat input focus bug, working on new shortcut-keys-don't-register bug
started labelling window control buttons with more descriptive acessibility descriptions
Shortcut keys are working again; strange intermittent bug may or may not still be present, hard to tell
trying to fix the minimize/maximize and phhantom buttons which are noww foundd
Merge branch 'access-hotfix' of github.com:capilkey/bigbluebutton into access-hotfix
Main Toolbar is set up for tab indexes.
Added tab order to Viewer, Listener modules. Added it to Video Dock, mostly for consistency's sake, since though there's really nothing there right now. Noticed that Listener's datagrid seems to be missing.
Presentation module updated with tab order; shortcut keys bug has resurfaced
All 'main screen' components have a tabIndex, although tab order is not complete yet.
started to fix  mdi windows edge buttons
Changed the MDIWindow resize handles from Buttons to Canvas
Remember to use the baseTabIndex values in config.xml.template for tab order to work
Merge remote branch 'origin/master' into access-hotfix

Conflicts:
	bigbluebutton-client/src/org/bigbluebutton/modules/chat/views/ChatView.mxml
Merge branch 'access-hotfix' of github.com:capilkey/bigbluebutton into access-hotfix
Updated README with instructions on implementing Tab Order
Merge branch 'access-hotfix' of github.com:capilkey/bigbluebutton into access-hotfix