Revert "build(deps): update ismobilejs requirement from ^0.5.1 to ^1.0.2 (#273)"

This reverts commit 72242cf.

Author: afc163

package.json

@@ -76,7 +76,7 @@
     "babel-runtime": "6.x",
     "classnames": "2.x",
     "dom-scroll-into-view": "1.x",
-    "ismobilejs": "^1.0.2",
+    "ismobilejs": "^0.5.1",
     "mini-store": "^2.0.0",
     "mutationobserver-shim": "^0.3.2",
     "prop-types": "^15.5.6",