Target Java 7 for core
Now that Android KitKat (4.4) seems to be the baseline for apps, we can make the switch to Java 7
official. We can finally use all language features (including try-with-resources) and most of the
API (not all, the Android API is still missing some packages).
@@ -8,7 +8,7 @@ The bitcoinj library is a Java implementation of the Bitcoin protocol, which all
### Technologies
-* Java 6 for the core modules, Java 8 for everything else
+* Java 7 for the core modules, Java 8 for everything else
* [Maven 3+](http://maven.apache.org) - for building the project
* [Google Protocol Buffers](https://github.com/google/protobuf) - for use with serialization and hardware communications
