Prepare plugins for Cordova registry.

- Update plugin IDs
- Remove url from <dependency>
- Change java package from com.google -> org.chromium
Bump socket version
Change path where chrome.storage is stored.

Removed __ prefix, and for iOS put it in Library instead of Documents
Fix up runtime id in require()s
Add README for syncFileSystem and update its plugin.xml
Remove polyfill-Function.bind since it was for iOS 5 only.
Update README for Blob polyfill
Remove instructions from XHR polyfill README
Add storage as a dependency of runtime
Don't immediately set app ID when setting manifest. Do it lazily.
Bump notifications version
Add accounts.google.com to chrome.i18n plugin.xml.

And add googleapis.com to the spec's whitelist
Add missing i18n variable (fixes ChromeSpec on desktop)
(cherry picked from commit 328097a763b6fbaf5ba9fcd9a4164af30405cb33)
Merge branch 'master' into registry
Fix missing semi-colons on ChromeStorage.m
Add README for storage plugin
Add cordova.file as a dependency to syncFileSystem.
Accept more than one socket connection when listening
Add API Console instructions to chrome.identity README
chrome.identity - Set lastError on failure and read scopes from exec() for native auth.