BUGFIX: general purpose PVs were not added to GP IOC in v2.0.0 release

Full Changelog: v2.0.0...v2.0.1

All IOCs in one image: Debian 11 Bullseye, EPICS base 7.0.5, synApps 6.2.1, AD 3.11, new iocmgr.sh IOC manager script

What's Changed

• DOC by @prjemian in #49
• IOC for area detector's pvaDriver by @prjemian in #51
• per iocpva code review by @prjemian in #53
• v2 image by @prjemian in #55

Full Changelog: 1.1...v2.0.0

Latest versions of Ubuntu (20.04.2 LTS), EPICS (7.0.5), synApps (6.2), and area detector (3.10). 56 motors, more synApps features, ADSimDetector, and ADURL.

• OS: Ubuntu 18.04
• EPICS base: 7.0.3
• synApps: 6.1
• Area Detector: 3.7