fixed warnings in stdio.c
true now defined as !false
added new gcode parser skeleton
fixed warnings
gcode parser in use
updated parser, added trim_line
gcode parser updated
gcode parser updated
added M190
added missing break in G1 command
Merge branch 'development' into new_gcode

Conflicts:
	src/com_interpreter.c
doc
Ported M codes from master to new_gcode
fixed compile warnings
all extruder commands support parameter T for selecting extruder just for that command
updated formatting on parser
added few range descriptions to flash_printsettings
updated flash_printsettings output
Command M505 to save settings to SD Card, config.g is saved
Show SD Files (M20) change to work in Pronterface
util.c wait_ms is not waiting
Update list of implemented Codes