small changes.

Now we update release with small adjustments to make assembly life
easier.
- reinforced Z rods on base plate. hole for screw
- glass lock a little higher
- huxley attach wider. bend less on fix
marlin folder name update

- marlin autolevel no servo renamed to marlin_autolevel_no_servo to support Linux builds
marlin makefile update

- updated motherboard type to 33 (to match Configuration.h)
- updated programmer type (from arduino to stk500v2 used by Mega)
- added settings for Linux (commented out by default)