B-97934: Use local workspace for rhoconnect application instead of pre-installed gem

* Also moved rhoconnect test application area to tmp/ for consistent
cleanup
* Lots of .gitignore entries, log files really should be in a
consistent file extension (i.e. .log)
Remove checked-in config.yml
Update for config.yml
README update
Need to patch rhoconnect testapp Gemfile to properly use workspace
Merge pull request #1 from rhomobile/rhoconnect-from-workspace

B-97934: Use local workspace for rhoconnect application instead of pre-installed gem