adding info about v. 0.1.2 to CHANGELOG.md

Author: Piotr Wittchen

CHANGELOG.md

@@ -1,46 +1,55 @@
 CHANGELOG
 =========
 
+v. 0.1.2
+--------
+*01 Oct 2015*
+
+- now library is emitting `OFFLINE` status at subscription time, when device is not connected to any network
+- bumped target SDK version to 23
+- bumped buildToolsVersion to 23.0.1
+- removed `CHANGE_NETWORK_STATE` and `INTERNET` permissions from `AndroidManifest.xml`, because they're no longer required
+
 v. 0.1.1
------
+--------
 *27 Sep 2015*
 
 - bumped RxJava to v. 1.0.14
 - bumped Gradle Build Tools to v. 1.3.1
 
 v. 0.1.0
------
+--------
 *13 Sep 2015*
 
 - changed `UNDEFINED` status to `UNKNOWN`
 - added `WIFI_CONNECTED_HAS_INTERNET` and `WIFI_CONNECTED_HAS_NO_INTERNET` statuses
 - added `enableInternetCheck()` method to `ReactiveNetwork` object. When it's called, `WIFI_CONNECTED_HAS_INTERNET` and `WIFI_CONNECTED_HAS_NO_INTERNET` statuses can occur. Otherwise, only `WIFI_CONNECTED` can occur.
 
 v. 0.0.4
------
+--------
 *02 Sep 2015*
 
 - added `WifiManager.SCAN_RESULTS_AVAILABLE_ACTION` to BroadcastReceiver responsible for receiving WiFi access points scan results
 - fixed bug connected with improper work of `observeWifiAccessPoints()` method reported in issue #8
 - updated sample app
 
 v. 0.0.3
------
+--------
 *01 Sep 2015*
 
 - removed `WifiManager.WIFI_STATE_CHANGED_ACTION` filter from BroadcastReceiver for observing connectivity (now we're observing only situation when device connects to the network or disconnects from the network - not situation when user turns WiFi on or off)
 - added `UNDEFINED` element for `ConnectivityStatus`
 - fixed bug causing emission of the same `ConnectivityStatus` twice
 
 v. 0.0.2
------
+--------
 *20 Aug 2015*
 
 - improved WiFi Access Points scanning
 - updated documentation
 
 v. 0.0.1
------
+--------
 *10 Aug 2015*
 
 First release of the library.