bug fix: removing old projects wasn't working because 1) versions are not loaded at the beginning 2) versions are not removed after deleting 3) versions don't have installeddir set on startup
small changes before the large ui change
Merge branch 'master' of github.com:azkaban/azkaban2 into pipelineui

Conflicts:
	src/sql/update_2.0_to_2.01.sql