Update About box with some new modules used in desktop
Merge pull request #182 from JohnThomson/develop

Update About box with some new modules used in desktop
Update source link for desktop repo from bitbucket to github
Merge pull request #183 from BloomBooks/UpdateSourceLink

Update source link for desktop repo from bitbucket to github
Enable book download for Linux (BL-497)
Merge pull request #184 from BloomBooks/BL497_EnableLinuxDownload

Enable book download for Linux (BL-497)
Enable Beta download link