Update version strings to 1.2.0-devel
fixes #205
merging hotfix-1.1.1
fixes license
fixes #220
fixes #102
fixes #217
bug fixes
bug fixes
fixes #233
fixes #218, fixes #215
fixes bootstrap.conf
Remove auto-doc for ZTPServer modules from Docs until development has
updated the docstrings.

Fixes #201
Expand info on refresh_ztps command and correct a typo
Provide explanation of zerotouch [cancel|disable] in Tips for Issue #213
Expand description of .node and resource files.  Fixes #229
fix heading underline in line 71
Fix #226.  Discourage use of the standalone ztps server except for Testing and Demonstrations
Update Apache conf recommendation

- Show virtualhost directive
- suggest /etc/httpd/conf.d/ztpserver.conf location
- Inlcude WSGISocketPrefic required for RHEL
- Include both Apache 2.2 Order, Allow AND the Apache 2.4 Require all
  granted syntax
- Fix #231
Fix typos in Neighbordb note