Changed emulator transmit interval, other minor edits.
Modifications related to SIGPROC pipeline.
Sigproc pipeline now reads .fil files, some bugs still present.
Merge branch 'master' of https://github.com/jayanthc/pelican-lofar

Conflicts:
	src/pipelines/udpstream/src/SigProcPipeline.cpp
	src/pipelines/udpstream/src/sigprocPipelineMain.cpp