Added adjustable bed mounts. Replaced extruder latch with compression screw.

docs/assembly/index.html

@@ -69,7 +69,7 @@ UL {
 <table><tr><td class="befor"><img src="y_axis_assembly_1_before.png"></td><td class="arrow"><img src="arrow.png"></td><td class="after"><img src="y_axis_assembly_1_after.png"></td></tr></table>
 </li>
 <li class="step"><h3>Step 2</h3>
-<div class="desc">Join opposing platform supports to either side of the sled endcap. Point the tabs toward the side with the joiners.</div>
+<div class="desc">Join opposing glass bed supports to either side of both Y sled endcaps. Screw an adjustment screws into each of the supports, leaving them loose for now.</div>
 <table><tr><td class="befor"><img src="y_axis_assembly_2_before.png"></td><td class="arrow"><img src="arrow.png"></td><td class="after"><img src="y_axis_assembly_2_after.png"></td></tr></table>
 </li>
 <li class="step"><h3>Step 3</h3>