hey pgvm, give me a console please! :heart:
updating README to new commands
decoupling current and updating tests to new versions
Merge branch 'master' of github.com:guedes/pgvm
removing channel from .travis [ci skip]
Allow installs from the REL* branches as well.

Since 3eacee3 pgvm has been able to install from the master repo or a
sha1 of a commit there. This commit allows the REL* branches to be
installed as well.

Also in this commit
 - I have simplified the detection of a sha1sum as well.
 - Add tests for matching REL*
add the start, stop, and status commands to cluster help
add clusters to directories ignored by git
Allow installs from the REL* branches as well.

Since 3eacee3 pgvm has been able to install from the master repo or a
sha1 of a commit there. This commit allows the REL* branches to be
installed as well.

I have simplified the detection of a sha1sum as well.
fixing tests
* Fix empty error with test for install command. refs #27
* fix test if empty on install arguments. refs #27
changing tests to new minor version
Merge pull request #28 from fike/issue_27

* Fix empty error with test for install command. refs #27
fixing error message on list
Merge branch 'master' of github.com:guedes/pgvm
fixes error message when first installing from repos

fixes #29
fixing error message on list
fixing typo [ci skip]

per report of Vinicius Segalin
Merge remote-tracking branch 'upstream/master'

Conflicts:
	test/pgvm_comment_test.sh