Update gradle build files to 0.7.3 android plugin, add Gradle 1.9 wrapper, add information about build to readme

1 files changed, 2 insertions, 2 deletions

diff --git a/build.gradle b/build.gradle
index 06c57cd0b..5d9739785 100644
--- a/build.gradle
+++ b/build.gradle
@@ -4,7 +4,7 @@ buildscript {
     }
 
     dependencies {
-        classpath 'com.android.tools.build:gradle:0.6.3'
+        classpath 'com.android.tools.build:gradle:0.7.3'
     }
 }
 
@@ -15,5 +15,5 @@ allprojects {
 }
 
 task wrapper(type: Wrapper) {
-    gradleVersion = '1.8'
+    gradleVersion = '1.9'
 }