Use the package subscription for installs.
These are supposed to be submodules.
Better exiting
Added a basic search command
Test if the package has a version before adding it in tests.
Added first test for counting install count.
Got tests properly working across multiple runs.
Merge remote-tracking branch 'origin/master'

Conflicts:
	spec/support/packages/mrt-test-pkg1
	spec/support/packages/mrt-test-pkg2