-refactoring js files,

-implementing 3 decimal observer
-reusing load steps and save steps event
-adding settings for xyzSteps
-subsection macro default spacing = true

octoprint_CalibrationTools/templates/tabs/tab-esteps.jinja2

@@ -51,7 +51,7 @@
     </div>
 </div>
 
-{{ snipped.subSection("Test results", true) }}
+{{ snipped.subSection("Test results") }}
 
 <div class="row-fluid">
     <div class="span6">
@@ -102,7 +102,7 @@
 </div>
 
 
-{{ snipped.subSection("Process description", true) }}
+{{ snipped.subSection("Process description") }}
 {{ snipped.quote("
 This calibration is best done with the extruder detached from the hot end, so no restriction is present on the movement. If it is convenient, you can partially disassemble the printer so the output of the extruder is
 open and the filament exits in free air. If this is inconvenient, the process below aims to minimize restrictions by extruding very slowly and with a slightly higher temperature. The results from this should still be