iPhone app minor fixes and updates

A- Edit profile: 1- Remove "male/female" and add 3 new fields: * Delivery time. * Working hours. * Shipping fee. 2- Update the Bio field to use textfield with multi-line compatibility. 3- Make all the buttons appear in user profile and if not filled it should be dimmed/disabled. 4- Find friends: * From my Facebook friends is not working correctly it keeps loading with no results. * From My contact list is crashing. * Suggested users Must not show the private account images, Instead it must show a message saying that "this user is private, follow him to see his feed". B- Register screen: 1- Copy all the informations/fields from edit profile and add them in the register screen. 2- Check if the email and username is already registered and if one of them is registered show a message to the user. 3- When user register for the first time he must close the app and relaunch it and input the login details again so he can use the app this is a bug that needs to be fixed. C- Notifications tab: 1- Following feed must not show the private users images. 2- When there is no following add a message saying "Follow people to see there activities" and a button under it "Find people to follow" by clicking on that button it will present the Find friends screen. 3- Add a message in news tab if there is no activity yet saying "Tab on the camera to add your first post and receive you first activity" D- Explore tab: 1- Change the search field position i need it to be inside the navbar. 2- When users search for posts they can see the private users images please fix that. 3- Change the search results to show the hashtag and the number next to it and after user click on it he will see all the posts that include this hashtag. E- Comments: 1- Problem with keyboard need to be fixed. 2- Suggested users design update. F- Action Sheet: 1- Change the Action Sheet design to use the default apple design. 2- Add the same functions that appears in the main tab when you click on the action sheet to the rest of posts. G- When someone likes a post it sends 6-7 notifications. need it to be fixed.