Upgraded bower.json version to 1.4.251
Upgraded bower.json version to 1.4.251

Open365/spice-web-client,Open365/spice-web-client,Open365/spice-web-client,Open365/spice-web-client,Open365/spice-web-client,Open365/spice-web-client,Open365/spice-web-client,Open365/spice-web-client,Open365/spice-web-client,Open365/spice-web-client