Another attempt at the @ngInject + goog.inherit fix.

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Created by MOE: http://code.google.com/p/moe-java
MOE_MIGRATED_REVID=43990430
Created an externs file for jQuery 1.9.
Used the following release notes a reference:
http://jquery.com/upgrade-guide/1.9/#other-undocumented-properties-and-methods
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Created by MOE: http://code.google.com/p/moe-java
MOE_MIGRATED_REVID=43995416
Allow new RTCPeerConnection(null).

This call is allowed by the implementation and seems to be quite useful.
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Created by MOE: http://code.google.com/p/moe-java
MOE_MIGRATED_REVID=44001020