fixed the annotation drawing so that the line thickness scales when you zoom a presentation
Merge pull request #283 from SenecaCDOT-BigBlueButton/fix-annotation-scaling

fixed the annotation drawing so that the line thickness scales when you ...
 - sign with new certificate that expires in 2014
update locales
Merge pull request #287 from gugat/update_locales

update locales
Updating version to 0.81-RC5
Last-ditch fix for missing presentation images

We can only get here if all of the files for the presentation are
*completely* missing. One thing that can cause this is if the
presentation filename starts with a '.' character - the presentation
files aren't correctly archived then.
Merge pull request #290 from kepstin/presentation-missing-slide

Last-ditch fix for missing presentation images
created a new locale string for the chat module
Merge pull request #291 from SenecaCDOT-BigBlueButton/add-another-string

created a new locale string for the chat module
Merge remote-tracking branch 'upstream/master'