Tags give the ability to mark specific points in history as being important
Fix ipbus symbolic links, again.
Use TDAQ_COMPONENT_BINARY variable in install()
Added GSL variable to external parameters
Adjust ipbus-software to 2.7.1
Generate requirements.txt
Install paramiko[gssapi]
Fix boost_python version in ipbus
Add link deps on czmq and zyre
Make sure libsodium is found from LCG.
Use source permissions for installing external software.