Map Fixes V: Son of Areas

Fixes issue #3902
All map glitches described eliminated to knowledge.
Fixes issue #2486 
Fixes a borked update proc or 3 to make atmos computers and security printing run smooth.
Resolves issue #3966 
Added the settings requested and stabilized the explosion levels.
Resolves issue #3796
Girder health/laserkill fix.
Fixes issue #3323
Adds holostools, removes non-holostools from holodeck.

Updated changelog.