Bump terriajs-plugin-proj4leaflet version.

Author: na9da

package.json

@@ -24,7 +24,7 @@
   },
   "dependencies": {
     "terriajs-server": "^4.0.0",
-    "terriajs-plugin-proj4leaflet": "^0.0.1-alpha.1"
+    "terriajs-plugin-proj4leaflet": "^0.0.1-alpha.2"
   },
   "config": {
     "docker": {