Fix data URI decoding in CordovaResourceApi

It was not URI-decoding first, and so was broken for non-base64-encoded
URIs.
Use a higher threshold for slow exec() warnings when debugger is attached.
Log WebView IOExceptions only when they are not 404s
[CB-4495] Modify start-emulator script to exit immediately on a fatal emulator error.
Tweak the online bridge to not send excess online events.

It does so by having the JS tell it when online events have fired.
CB-4318: We have docs, this doesn't need to be in the comments
[CB-4652] Allow default project template to be overridden on create
Refactor CordovaActivity.init so that subclasses can easily override factory methods for webview objects
Allow CordovaChromeClient subclasses access to CordovaInterface and CordovaWebView members
[CB-3542] rewrote cli tooling scripts in node
Fix for cli with new node scripts
Added commit 150cdfd, override arg for project template

Conflicts:
	bin/create
Incremeting version check for Android 4.3 API Level 18
Reverting CB-3949: Squeay wheel gets the grease