Add DICOM Store SCP script back in

[Ed McDonagh]

Will need to display Primary Key in the table of DICOM stores, then pass this to the script.

[Ed McDonagh]

Database ID now displayed in web interface. Refs #266

→ <<cset daf6cb0d194d>>

[Ed McDonagh]

Bringing the #244 changes into ref #266

→ <<cset 374e729651aa>>

[Ed McDonagh]

Added an openrem_store.py script back in, added to setup, removed the main function from store.py. Refs #266

→ <<cset 853acc0591e7>>

[Ed McDonagh]

Arg was being passed as a list. Now works, but due to stay_alive.run not being set to True, it stops immediately :-) Refs #266

→ <<cset 7a2eafa367b3>>

[Ed McDonagh]

Store can now be run from the shell, and can be killed nicely with a control-c. Fixes #266

→ <<cset 3dd3101982e9>>

[Ed McDonagh]

StoreSCP Script now available and working. Refs #266

→ <<cset 8057e6df9447>>