fix(draggableRangeOnly): Fix the floor limit when floor is different than 0

Closes #293

Author: Valentin Hervieu

dist/rzslider.js

@@ -1,7 +1,7 @@
 /*! angularjs-slider - v2.10.3 - 
  (c) Rafal Zajac <rzajac@gmail.com>, Valentin Hervieu <valentin@hervieu.me>, Jussi Saarivirta <jusasi@gmail.com>, Angelin Sirbu <angelin.sirbu@gmail.com> - 
  https://github.com/angular-slider/angularjs-slider - 
- 2016-03-14 */
+ 2016-03-16 */
 /*jslint unparam: true */
 /*global angular: false, console: false, define, module */
 (function(root, factory) {
@@ -1594,9 +1594,9 @@
         if (type === 'min') {
           if (outOfBounds) {
             if (isAbove) {
-              value = isRTL ? value : this.maxValue - this.dragging.difference;
+              value = isRTL ? this.minValue : this.maxValue - this.dragging.difference;
             } else {
-              value = isRTL ? this.maxValue - this.dragging.difference : value;
+              value = isRTL ? this.maxValue - this.dragging.difference : this.minValue;
             }
           } else {
             value = isRTL ? this.offsetToValue(newOffset + this.dragging.lowLimit) : this.offsetToValue(newOffset - this.dragging.lowLimit)
@@ -1617,8 +1617,6 @@
           }
         }
         return this.roundStep(value);
-
-
       },
 
       /**