Merge pull request #14 from Colt/master

Add photo-pins
connect boards to pins and masonery on boards
Got rid of typo
Fixed routing for pins
Pins are now commentable
Merge pull request #15 from jeesong/master

Fixed routing for pins
fixed adding pins
Merge pull request #17 from jeesong/master

fixed adding pins
Fixed all the routing
Added back button to edit page
edited boards controler
Merge pull request #18 from jeesong/master

Fixed the navigation links throughout the app
adding text_pins, halfway done
text_pins working