Double Slider Max / Min value fix

Fix for Double Slider Max / Min value.
Renamed test cases and tweaked "PauseAfterPlaybackInMs" duration
Merge pull request #2916 from Benglin/UnitTestFixes

Updated test cases with weird names
Move reivt event handler from RevitDynamoModel to DynamoRevit
Double Slider Fix

Added  [Category("Failure")] to unit test.
Merge pull request #2877 from ramramps/Double-Slider-Fix

MAGN-3238 : Number slider limits + custom node interprets slider differently than other nodes
Revert changes causing test failures

This reverts
0008c5fbbab217aa69d00ab83842faaa3bc308c0.
and
ca2eac05f815ad4c70e177d83c05fdfb654f0c37
Merge pull request #2919 from ke-yu/fix_memoryleak_2014

Fix memory leak: move reivt event handler from RevitDynamoModel to DynamoRevit
Merge master into Revit2015 and fix conflict
Fix build error
Merge pull request #2924 from ke-yu/Revit2015

Cross merge master into Revit2015