Fix sendMSDP to actually work - it wasn't following the specification per http://tintin.sourceforge.net/msdp/ perviously.
Merge branch 'release_30' into release_31

Fix sendMSDP to actually work.
Add a toggle for enabling MSDP, fixes https://bugs.launchpad.net/mudlet/+bug/1372155.
Merge branch 'release_30' into release_31

Add a toggle for enabling MSDP.
Fix double deletion with debug area.
Fix leaks in XMLimport.