A few additions/changes suggested by Chris Burt

1. Return and PADENTER confirm loopcut and edgeslide
2. When choosing loop to cut in loopcut, can use numeric entry for number of cuts (less than 130)
3. Number of Cuts in loopcut printed in header

source/blender/src/editmesh_tools.c

@@ -4436,7 +4436,7 @@ void EdgeSlide(short immediate, float imperc){
         
                 
         		/* val==0 on key-release event */
-        		if(val && (event==ESCKEY || ( event==LEFTMOUSE || event==RETKEY ))){
+        		if(val && ((event==ESCKEY || event==PADENTER)|| ( event==LEFTMOUSE || event==RETKEY ))){
         				draw = 0;
         		}   
         		if(val && (event==RIGHTMOUSE || event==ESCKEY || (event==MIDDLEMOUSE) )){