Upgrade RxJava to 1.2.+

Author: jamesgorman2

build.gradle

@@ -35,11 +35,11 @@ subprojects {
     targetCompatibility = JavaVersion.VERSION_1_7
 
     dependencies {
-        compile "io.reactivex:rxjava:1.1.5"
+        compile "io.reactivex:rxjava:1.2.+"
 
         testCompile 'junit:junit:4.12'
         testCompile "org.hamcrest:hamcrest-library:1.3"
-        testCompile "org.mockito:mockito-core:1.+"
+        testCompile "org.mockito:mockito-core:1.10.19"
         testRuntime "org.slf4j:slf4j-log4j12:${slf4j_version}"
     }