Added 'add to calendar' new seminar share option
Added new key CALENDAR_ALERT_KEY to NSUserDefaults
Now checking calendar access in settings view.
New option: use calendar alerts in Settings.
New option: calendar alert time in settings

Added 'add to calendar' new seminar share option
Added new key CALENDAR_ALERT_KEY to NSUserDefaults
Now checking calendar access in settings view.
New option: use calendar alerts in Settings.
New option: calendar alert time in settings
Implemented NavigationController sequence due to 2 ViewControllers in Settings.
Code cleanup: deleted unused CalendarViewController
Fixed prepareSegue due to added NavigationController to Settings sequence
Added new model object: ISAlertTimes, which contains times texts and minutes arrays
ISDictionaryInfo model object: removed unnecessary class method
ISAlertTimesViewController: using ISAlertTimes object instead of manual enumeration in cell generating code
Settings: added new setting to calendar options: use alerts and alert times to be used in calendar sharing
New model: ISAlertTimes - object contains all it's data for times, names etc.
Now using this object in code
Added ISAlertTimes m/h to project
ISAlertTimes now itself knowing about saved parameters
ISSeminarView using calendar alerts, configured in Settings.
Event is starting at 9:30 and ending at 17.30 by default
Localization changes: now all labels in code in english. Russian is only translated
SeminarFetcher added new date formatter definition
Seminar: new instance methods which returning string with self date month
MainPage: added new top section: all events, and corresponding changes to tableview datasource
SeminarList: added ability to display all seminars grouped by month
New data model: version 6. Added new Entity: AllEvents, which represent all events :)
Added accompanying class category methods
SeminarFetcher: reworked data fetching: now instead of fetching all terms and parsing them now fetching appropriate vocabularies by [vid] parameter. Added new AllEvents taxonomy fetch
Sections+load data: fixed incorrect class method in header file
Seminar: new methods for getting date string from seminar.
Added AllEvent entity support: adding all seminars to it.