Release 7

* Fixed a bug causing some Campaign and Edu puzzles to not complete when the goal score is reached
* Fix potential intermittent crashes with automatic solution uploading.
* Fix issues with ligand panel persistence in non-ligand puzzles.
* Add new objective to measure 4-bonded carbons in small molecule design puzzles.
* Button menus should now allow you to click the background around them more consistently.
* Fix movement behavior of the Small Molecule Design's Attachement panel
* Fix text overlay in Compound Library panel
* Fix issue where certain ligand modifications (like O->C->O) were being rejected.
* Several changes to the Compound Library loading panel:
* Use orthographic projection
* Fix scroll to start at top of list
* Label compounds with numbers
* Extra space to better show which compound is highlighted.
* Disable compound insertion if action or recipe is running
* Don't hide loading panel on successful substitution.