0.11.0-rx2

• added WalledGardenInternetObservingStrategy - fixes #116
• made WalledGardenInternetObservingStrategy a default strategy for checking Internet connectivity
• added documentation for NetworkObservingStrategy - solves #197
• added documentation for InternetObservingStrategy - solves #198
• fixed package name in AndroidManifest.xml file - solves #195
• bumped RxJava2 version to 2.1.2
• bumped Kotlin version to 1.1.3-2
• bumped Gradle Android Tools version to 2.3.3
• bumped Retrolambda to 3.7.0
• increased code coverage with unit tests