Travis for ABL+SCARA, Z_MIN_PROBE_REPEATABILITY_TEST

.travis.yml

   - opt_enable FIX_MOUNTED_PROBE Z_SAFE_HOMING
   - build_marlin
   #
-  # ...with AUTO_BED_LEVELING_FEATURE & DEBUG_LEVELING_FEATURE
+  # ...with AUTO_BED_LEVELING_FEATURE, Z_MIN_PROBE_REPEATABILITY_TEST, & DEBUG_LEVELING_FEATURE
   #
-  - opt_enable AUTO_BED_LEVELING_FEATURE DEBUG_LEVELING_FEATURE
+  - opt_enable AUTO_BED_LEVELING_FEATURE Z_MIN_PROBE_REPEATABILITY_TEST DEBUG_LEVELING_FEATURE
   - build_marlin
   #
   # Test a Sled Z Probe
   # SCARA Config
   #
   - use_example_configs SCARA
+  - opt_enable AUTO_BED_LEVELING_FEATURE FIX_MOUNTED_PROBE USE_ZMIN_PLUG
   - build_marlin
   #
   # tvrrug Config need to check board type for sanguino atmega644p