Cosmetic: Remove an unwanted line.
Subresync bar: Don't show the ampersand in "Yes"/"No" strings when not in a menu.

Also avoid reloading the same resource strings each time.
Update translations from Transifex:

 - Basque
 - British English
 - Catalan
 - Chinese (simplified)
 - Czech
 - French
 - Galician
 - German
 - Greek
 - Italian
 - Japanese
 - Malay
 - Polish
 - Portuguese (Brazil)
 - Romanian
 - Slovak
 - Spanish
 - Swedish
 - Turkish
 - Ukrainian
 - Vietnamese
Cosmetic: Fix a typo.
CompositionObject: Fix copy-paste fiasco.
Add IPTV capabilities to the existing Digital TV UI

Signed-off-by: xpc1000 <xavier_portell@hotmail.com>
Digital TV: adapting the channel scan UI for IPTV:

- IPTV: add individual channels
- IPTV: import m3u list of channels
- When saving a new list of channels, remove only the channels of the same type (DVB or IPTV) (replace option)
- New option "Update" for adding the new channels and updating the existing ones without loosing the personalization already done (for both DVB and IPTV)
- Navigation panel: tabbed filters for DVB-t, IPTV and Radio
Add IGMP membership management

Manage IGMP group join/leave for multicast IPTV streaming sources.
Supports only IPv4 and IGMPv2. IPv6 and IGMPv3 could be added in the future if needed.
Digital TV: new Digital TV options, split from analog capture options

1. General
- Split menu entry into: Open Digital TV / Open Analog Capture. File->Open Device now only refers to analog device
- Navigation panel: only enabled tabs visible (depending on Digital TV options). Set initial active tab depending
on current channel type.

2. Exception handling:
- error controls (checking devices, etc.) moved from the general entry point to each channel
switch operation
- Change current behavior: when error switching to channel -> show error message in info bar and ready for switch to another channel

3. Options & preferences:
- Split from analog capture
- New Digital TV options: DVB (BDA) and IPTV (include option: enable/disable IGMP multicast membership management)
Digital TV: Use strings translatable and apply astyle to the modified files