mpegts: add MT_DEFER tables for descrambler

This patch tries to fix mutex deadlocks:

descrambler_lock <-> input_lock

The defered table type allows to move the critical
(pid open/close) calls outside the table registration
calls.
linuxdvb: lnb - added Ku 10750 and 11300 Hi-Band configs
epggrab: ota - fix the EPG scan mux config handling
Add doozer autobuild control file
Fix JSON typo
Add automatic builds for Ubuntu 14.04
mpegts: tables - fix the assert() in the table dispatch routine

- rename mm_defer_tables_lock to mm_tables_lock
- protect all table list operations with this lock
- use this lock in the table dispatch routine
mpegts: tables - add mutex protection to mpegts_table_add()
mpegts: tables - flush all - fix unregisteredd deferred table flush
epggrab: ota - optimizations - remove completed grab from pending