Merge pull request #61 from appmajik/feature/add_slide_tab_bar_on_press_to_app_settings

Added the field 'slide_tabbar_on_press' to AppSetting.
Added 3 more fields to App Settings - App Icon iOS7, App Icon iPad and App Icon iPad iOS 7.
Merge branch 'feature/add_extra_fields_to_app_design' of https://github.com/appmajik/app_majik
app_services#save_gallery now accepts email and message.
Merge branch 'feature/take_email_and_message_along_with_gallery_images' of https://github.com/appmajik/app_majik
Modified Gallery page.
Merge pull request #63 from appmajik/feature/add_extra_fields_to_app_design

Added 3 more fields to App Settings - App Icon iOS7, App Icon iPad and A...
Merge pull request #64 from appmajik/feature/take_email_and_message_along_with_gallery_images

app_services#save_gallery now accepts email and message.
Changed the HTTP method from 'GET' to 'POST' for app_services#save_gallery.
Added the migration file.
Merge branch 'feature/take_email_and_message_along_with_gallery_images' of https://github.com/appmajik/app_majik
guid matching added on import