Changed sample rate and samples per packet settings in RTP sample applications and fixed debug output in RTPSubscriber.
Again some changes of the sample rate and RTP packet size. Also added some debug outputs in RTPSubscriber.
Merge remote-tracking branch 'upstream/master'

Conflicts:
	apps/tools/umundo-phone.cpp
Merge pull request #12 from tmolitor-stud-tu/master

added some debug output and changed samplerate settings in demo apps