Tech-Geek troubleshooting alert! -warning posted.

So my nexus 7- 2012 tablet has been set up to use Cyanogenmod 11 nightlies. Lately it has been sputtering and acting seriously weird with odd crashes and update strangeness.  So I put on my propeller hat and start digging into the system.  And yep, oops...I've been using GAPPS for an older version of the…