Outline Platform System Functions
All os_* functions outlined in a general header and defined for Win32
Implements os_is_network_connected and os_is_paused for Win32
Fixes freeze on lose focus
Fixes freeze on lose focus for XLIB
Makes os_is_paused() compatible with GM Studio for Win32, needs tested to
make sure Studio works this way.
Delete extraneous line
Add os_is_paused for XLIB
Fix Berkeley Sockets makefile, curl is not required on Win32
Outlines async http functions.
Cleanup and fix grammatical errors
Change around
Remove unnecessary pragma
Outline async events
Merge pull request #673 from RobertBColton/master

Implements Platform System Functions