Merge branch 'jxy' into develop

basic save/load text and image
firstcommit
deleted .txt files
Merge branch 'jet' into develop

ADDED:
Tab bar controller
add tab bar controllet
Merge remote-tracking branch 'origin/develop' into jxy

Merge:
tab bar controller
added tab bar icon
still add thumbnail
Merge remote-tracking branch 'origin/develop' into jxy
Add thumbnail and barcode textiled
trying on taking photo and show on table view
new take photo and show on tableview
need to figure out view card info after edit card info