Increased Heat task stack to avoid crash when tuning a heater
Protected vsnprintf etc. from reentrancy
Use scheduler suspension instead of disabling interrupts for most
critical sections
Added malloc lock/unlock functions to avoid crash in sprintf etc.
Allow jerk values down to 0.1mm/sec
Add missing call to HttpResponder::CheckSessions()
Added mutex around the access to HttpResponder::gcodeReply
Warn if M500 used without M502 in config.g
M114 now sends user coordinates first
Condensed memory diagnostics a little
Embed OutputStack objects instead of creating them dynamically
The Network module is now a separate task
Reduced network buffers from 8 to 6 to free up RAM
FileInfoParser has its own buffer to save allocating them on multiple
stacks
Got rid of longWait and ClassReport
