Added network module, rewrote BeaconWithSenzes.
Merge branch 'master' of https://github.com/zhzhzoo/Senz-Android-SDK

Conflicts:
	sdk/build.gradle
	sdk/src/main/AndroidManifest.xml
	sdk/src/main/java/com/senz/sdk/Beacon.java
	sdk/src/main/java/com/senz/sdk/Senz.java
	sdk/src/main/java/com/senz/sdk/SenzManager.java
	sdk/src/main/java/com/senz/sdk/service/SenzService.java