Add icons for Photoshop.
added version info
closes #126
updated beta version number to 12
Added a DEV-README that explains the layout of the source code
Improved the critical inline documentation of the top level package and the model subpackage
added class level documentation for the audio subpackage
added class level documentation for the util subpackage
trying out the scrollview approach. Note this means a listview cannot be used for language names.
Merge branch 'issue133'
Revert "Merge branch 'issue133'"

This reverts commit 012874c93fe2b365771f20a6925470b3cbac420b, reversing
changes made to 9f62c4d3d84ea132b3cbdcddabf59cd9e7055168.
closes #134
closes #140 and incorporating points 1 and 2 from Lauren.
closes #138 #127
closes #137
closes #135
Updated android manifest to reflect beta 13.
modified APK signing script.