Merge pull request #16 from callapatel/callap

Callap
Merge pull request #17 from callapatel/callap

Callap
borrow and return tools
fix merge conflict
posts controller, not working with current user
Merge pull request #18 from callapatel/crystal

Crystal
Merge branch 'master' of https://github.com/callapatel/p-patch-LawnGreen into callap
current user