Feature. Add new module gallery.
Work on gallery. Add style for show album
Create new tables for gallery and add new methods
Feature. Add new view for album. Final methods for create album
Feature. Change gallery plagin. Add methods into gallery_model.
Add new methods and finished work on gallery modal view
Add.Call methods in template. issue1030
Fixed bugs and refactoring gallery_models
Edit gallery model and styles
Add view for edit album and image
Add. View and download file. issue1031
Change album edit view
Edit album view
Add method for edit album
Add methods for update album and image.
Add methods for remove albums and images
Fixed some bugs
Change into model gallery
Merge branch 'issue1027' of github.com:dataloft/airyo into issue1027

Conflicts:
	application/models/gallery_model.php
Fied bugs and added php methods and js function