Convert file library usage to gm13 format
Converted to new language format. Fixed the net library implementation.
Renamed info.txt to addon.txt
Added Client to Server code transfer reqest API using net library to SFLib and make stools use it
Replace _R with debug.getregistry()
Changed file browsers to use new API for wire_expression2_browser
Fixed timers library
Replaced ValidEntity with IsValid in a couple of places
Fixed SF Screen tool and replaced datastream usage in SF screens with net library
Added a message when trying to upload SF code while the current upload operation is not yet complete
Fixed SF screen functions, particuarly createFont and Clear (which now accepts color arguments)
Turn JIT compiler off for reliable ops counting
Converted hologram scaling to use new API. Also uncommented setAngVel
Fixed Lua error when trying to upload a SF script with the editor uninitialized
Converted holograms to use net library
Added a workaround to create Starfall data directory.
Fix case of data directory.

The E2 editor folds to lowercase, which breaks things if we use
titlecase on a case-sensitive system (i.e. Linux). Rather than
fight with them we'll just switch to lowercase. It never worked
on case-sensiteve systems, and case-insensitive systems won't
be affected by the change.
Merge branch 'develop' of github.com:GmodStarfall/Starfall into develop
Merge pull request #136 from daranable/develop

Merge garrysmod13 branch.

Starfall should now function properly under Garry's Mod 13, although not all libraries have been tested.