videodb: add DeleteSeason()
Merge pull request #4726 from Memphiz/fixxcode

[xcode] - finally fix the last pieces which were forgotten during xcode ...
Merge pull request #4412 from Jalle19/update-channel-name

[pvr] Enable channel name updates from the client
turn CAnnouncementManager into a singleton
deinitialize CAnnouncementManager before stopping all (network) services
CPlayList: no need to send the Playlist.OnClear announcement if the playlist is already empty
Merge pull request #4725 from Montellese/announcement_refactor

refactor of CAnnouncementManager
Merge pull request #4645 from jmarshallnz/install_from_zip_not_packages

[addons] install from zip should install from the zip, not from packages
[guilib] fix labelcontrols with auto width always being marked as dirty if they specified a maximum width
[cosmetic] fix warning
Add kdev4 file to gitignore
Merge pull request #4728 from AlwinEsch/kdev4-file-to-gitignore

Add kdev4 file to gitignore
Automatically download first subtitle
[pvr] search start time/end time were swapped
[pvr] the channel used for updating channel spinner wasn't correct
[pvr] clear the channel spinner in the guide search before filling
[pvr] the current channel wasn't set in the channel spinner when filled in the guide search dialog
[guilib] adds non-const version of GetControl
[settings] use dynamic_cast<> to upcast to known control types and check NULL

Fixes crash in older skins not adapted to the settings changes.
[guilib] use dynamic_cast<> when copying controls of a specific type