Start 1.2.0 development cycle

diff --git a/documentation/server-reflection-tutorial.md b/documentation/server-reflection-tutorial.md
index 7fd4e40..536ffe2 100644
--- a/documentation/server-reflection-tutorial.md
+++ b/documentation/server-reflection-tutorial.md
@@ -21,7 +21,7 @@
 ```diff
 --- a/examples/build.gradle
 +++ b/examples/build.gradle
-@@ -27,6 +27,7 @@ def grpcVersion = '1.1.0-SNAPSHOT' // CURRENT_GRPC_VERSION
+@@ -27,6 +27,7 @@ def grpcVersion = '1.2.0-SNAPSHOT' // CURRENT_GRPC_VERSION
  dependencies {
    compile "io.grpc:grpc-netty:${grpcVersion}"
    compile "io.grpc:grpc-protobuf:${grpcVersion}"