Protein overview
* fix #2645
Update external urls to include all MODEncode* ?Database entries
* fix #2651
Rename PCR to PCR Product/Oligo
* fix #2463
PCR overview bug fix
* Variation tag not always there
updated to universal analytics - testing
quick stab at fixing gene overlaps for epcr
removed the preceding script declaration - not needed as it is injected
Merge pull request #2666 from WormBase/staging

Staging
Merge pull request #2668 from WormBase/master

WS242 freeze