Merge pull request #70 from rhy-jot/master

Fix placement of my username
refactoring most of bootstrap into makefile. bootstrap supports branch checkouts, and using existing cloned dokku repos
lets avoid pointless redundancies
Add progrium/pluginhook to README
Merge pull request #73 from asm89/patch-3

Add progrium/pluginhook to README
Fix typo
Merge pull request #74 from asm89/patch-4

Fix typo