Backwards Incompatible Changes

• Remove the defaultImpl parameter from Closure Delegates helper methods. (ab6fa71dc7d922eaf4bf08151c3661a58c2f9e2c)

Other Changes

• Soy: Add toSafeStyle. (db33484c92c7b522229bd119c23403a202e07255)
• Revise style of MONTH_DAY_MEDIUM to use medium rather than long. (952fff64ee7a73a82a386cb72b5b518495464e31)
• Remove versioned CLDR data. (63598703435f0873587ba851f08ae40f6543f114)
• Add a new goog.define that lets users change the Soy stubbing behavior at runtime and another to always stub. (ecaae0ab91d4bf3b0d2711282a5f57c312f29c63)
• Disable the Debug Loader by default. (b12e80d1e0afca4b5c9feeff44ff410e9797fb9a)
• Stops sanitizing the #src attribute for <img>, <video>, <audio> and <source>. (6e384c96516a5f77d4a513d46a00e447c6ac3652)
• Update DateTimeParse to handle non-ASCII spaces in date/time patterns (6b26bd21ae69560904a7a830bede17cc7f97d3f2)
• Adds a new API BrowserChannel.setIsBuffered to allow clients to set connection status (96278c1fc837c95d2dfc90711273c1489a03ba55)