fixes in images.xcassets
added auto layout constraints

[4980643]
calling alert and action sheet

[7519942]
created custom alert view class

[7519942]
implemented background view private class for alert view

- creates new alert-level window for alert view

[7519942]
added new rosy color to appearance class
implemented main layout and creation methods

- initWithTitle
- show/dismiss
- layoutSubview
- buttons and title

[7519942]
calling new alert view on new event creation

[7519942]
added alert view protocol and type

- fixed font size
- added proper alert view delegate methods calls to parties view controller

[7519942]
added text field for event name

- also added notifications about keyboard show and hide

[7519942]
cancel and dismiss alert view on outside tap

[7519942]
fixed alert view offset calculation on keyboard showing

- added macros for detecting 4' screen

[7519942]
added date picker field

[7519942]
added borders layers

[7519942]
fixed alert appearance on 3.5'

[7519942]
implemented protocol methods of alert view for creating events

- created dummy SHMParty class for testing

[7519942]
proper party cell configuration method

- also layout fixes

[7519942]
default value for date text field

[7519942]
added app icons
added HockeyApp to project