Resolve "Improvements to the physical library commands"

Summary

Should be merged after catalogue version 14.0 has been deployed

Some improvements to the new physical library commands. See the issue for more details.

• Change the --physicallibrary/--pl option to --name/-n
• For cta-admin pl ls
  • gui -> gui url
  • webcam -> webcam url
  • npcs -> physical cartridge slots
  • nacs -> available cartridge slots
  • nads (wrong, should be npds) -> physical drive slots
• change order of columns to match the one of ll ls = in particular comment goes to the end
• more than one logical library can be in a physical library (comes with schema version 14)
• report proper message when removing non-existing library
• Create one function for modifying physical libraries
• Move exception handling from the Rdbms file to the AdminCmd.cpp and AdminCmdStream.cpp files

Requires manual tests in pre-production

YES

References

Closes #431 (closed)