Refactor logic from gerrit.sh into gerrit/filters.  Add modular usage/help

Change-Id: I2ff1d0eda2bb7e80dab8d345721f39c621357774
13 files changed
tree: 84dd0335ad81a0040e6ddde904f052a90e0fef2e
  1. .gitmodules
  2. .gitreview
  3. bin/
  4. gerrit/
  5. jira/
  6. lf/
  7. makefile