Merge pull request #31 from agricocb/master

Added code to replace tee and basket marker icons with polyline arrows
nav and about

moved menu button up, about nag fixed, instructions page added
storyboard changes

moved menu button on map view up a bit. created nag to about view,
instructions view
Merge branch 'master' of https://github.com/graceahmed/iOS-app
Merge pull request #32 from graceahmed/master

storyboard changes
Merge branch 'master' of https://github.com/BarreForestGuide/iOS-app