fix($cordovaFacebookConnect): change provider name

the provder was inital incorrect merged

BREAKING CHANGE: the facebookConnect provider name has been changed

To migrate the code follow the example below:

Before:

```
.config(['$cordovaProvider', function ($cordovaProvider) {
  $cordovaProvider.setFacebookAppId(12345);
}]);
```

After:

```
.config(['$cordovaFacebookConnectProvider', function
($cordovaFacebookConnectProvider) {
  $cordovaProvider.setFacebookAppId(12345);
}]);
```
feat($cordovaBatteryStatus): bringing the events in a angular way

- adding tests
- $on implementation

BREAKING CHANGE: bringing the events in a angular way

To migrate the code follow the example below:

Before:

$cordovaBatteryStatus.onBatteryStatus(function(result) {
  var batteryLevel = result.level;       // (0 - 100)
  var isPluggedIn  = result.isPlugged;   // bool
});

After:

$cordovaBatteryStatus.$on('batterystatus', function (result) {
  var batteryLevel = result.level;       // (0 - 100)
  var isPluggedIn  = result.isPlugged;   // bool
});
Fix readFileAbsolute

Accept parameter and return promise
Merge remote-tracking branch 'upstream/master' into feat-battery-status-angular-events
test($cordovaBatteryStatus): add more tests
test($cordovaStatusbar): add unit tests
test($cordovaPush): add unit tests
test($cordovaDevice): add unit tests
test($cordovaCamera): add unit tests
test($cordovaPreferences): add unit tests
test($cordovaFlashlight): add unit tests
Added callbacks values for confirm and prompt
Merge pull request #320 from Vargash/master

Added callbacks values for confirm and prompt
Merge pull request #316 from mrzmyr/test-prefs

test($cordovaPreferences): add unit tests
Merge pull request #315 from mrzmyr/test-flashlight

test($cordovaFlashlight): add unit tests
Merge pull request #314 from mrzmyr/test-status-bar

test($cordovaStatusbar): add unit tests
Merge pull request #313 from mrzmyr/test-push

test($cordovaPush): add unit tests
Merge pull request #312 from mrzmyr/test-device

test($cordovaDevice): add unit tests
Add googleAnalytics to module.js

Also re-ran gulp build to fix this in dist files.
Merge branch 'master' of github.com:driftyco/ng-cordova