Configure defaultbranch so reviews go to the correct branch

Change-Id: Ibee3dabf5d60f727c6d8fa5ff4c80d055ee79110
Add gitignore file

Change-Id: I5dc7929ae6f402ae985889b1e0d134f834ad71ef
(cherry picked from commit 9984f002eff47c425a48026f82d96d913d325027)
System need libffi-dev

The system need libffi-dev to allow pip to install
all dependencies.

Change-Id: Idc1a9cff79289b0ae391c4ab1ba4c3c483fb854a
Closes-Bug: 1286167
(cherry picked from commit 3b9066c54c14b59daca624fdb89f22a62fd1d8e8)
Allow configuring cli/cli_dir

The default cli_dir is /usr/local/bin, but sometimes package install to
/usr/bin. This patch allows it to be customized

Change-Id: I0f6ec8e46224d039846bdd0b487d6fea0e819508
(cherry picked from commit fc79e2fb091eefddca57986d0510a59a911ff316)
Merge "Add gitignore file" into stable/havana
Merge "System need libffi-dev" into stable/havana
Merge "Allow configuring cli/cli_dir" into stable/havana