moving version number to property

Author: donnfelker

app/pom.xml

@@ -18,6 +18,7 @@
  <properties>
  <abs.version>4.3.1</abs.version>
  <dagger.version>1.0.0</dagger.version>
+ <otto.version>1.3.3</otto.version>
  <gson.version>2.2.3</gson.version>
  </properties>
 
@@ -86,7 +87,7 @@
  <dependency>
  <groupId>com.squareup</groupId>
  <artifactId>otto</artifactId>
- <version>1.3.3</version>
+ <version>${otto.version}</version>
  </dependency>
  <dependency>
  <groupId>junit</groupId>