restructuring com_xml directory to com_ros to contain both xml and tcpros
stuff.
move mode to xml_mode
add tcpros_parser.h and .c
move string_file_gen to code_gen
add string list for ros fields
add python script called by catkin to automatically update all sources in package
move a lot of files to new locations, including fixing the includes in each file
add message output to main.c
Merge branch 'feature/tcpros_parser_handler' into dev