Updating version number to prepare for release v2.1.2
Sample database updated for v2.1.2 release
Fixes issues w/ forms where assigned form would be deleted after saving module configuration, and reordering controls would crash
Language translation library updates for v2.1.2
Adds some additional old files to be removed in an upgrade
Updates the changelogs
Finalizing release v2.1.2
Merge branch 'release/v2.1.2' into develop