added rx_beamform.cpp
corrected discrepancies between header file and class declaration
fixed factor-of-2 error in rx gpu processing
Adjusted block and grid dimensions.  Now it's easier to change the filter length vs. decimation rate parameters
commiting decodestate.c
removed legacy C files
improving tx_data object
cleaning up unnecessary variables..
untracking ctags file
consolidated socket error handling to send_data and recv_data functions
cleaned up rx_data object and client handling
added new c++ versions of socket utilities
removed tcpsocket.cpp because it was redundant with socketutils.cpp
unknown changes
Added multi-threading to clear frequency search to speed up the processing a bit
 added untracekd file