Maya 2017 support

Added entries to compile Maya 2017 plugins.

makepanda/makepandacore.py

@@ -76,7 +76,8 @@ MAYAVERSIONINFO = [("MAYA6",   "6.0"),
                    ("MAYA2014","2014"),
                    ("MAYA2015","2015"),
                    ("MAYA2016","2016"),
-                   ("MAYA20165","2016.5")
+                   ("MAYA20165","2016.5"),
+                   ("MAYA2017","2017")
 ]
 
 MAXVERSIONINFO = [("MAX6", "SOFTWARE\\Autodesk\\3DSMAX\\6.0", "installdir", "maxsdk\\cssdk\\include"),

pandatool/src/mayaprogs/mayapath.cxx

@@ -98,6 +98,7 @@ struct MayaVerInfo maya_versions[] = {
   { "MAYA2015", "2015"},
   { "MAYA2016", "2016"},
   { "MAYA20165", "2016.5"},
+  { "MAYA2017", "2017"},
   { 0, 0 },
 };