update readme with fork deviations

README.md

@@ -9,7 +9,37 @@ This repository consists of:
  * [ethereum-core](ethereumj-core): a android compatible library of ethereumj-core .
  * [app]: a simple mockup GUI for exploring Ethereum functionality and usage.
 
+# Deviations from EthereumJ
+
+### Code:
+- replaced Spring Framework Dependency Injection with Dagger 2 DI;
+- replaced org.springframework.util.FileSystemUtils with org.apache.commons.io.FileUtils;
+- replaced some worldManager injections with specific item injections from worldManager which were used;
+- replaced org.springframework.util.StringUtils.isEmpty with String.isEmpty();
+- replaced @PostConstruct annotation with explicit method invocation in contructor;
+- replaced java.nio.file.Files with org.apache.commons.io.FileUtils;
+- replaced javax.xml.bind.DatatypeConverter.hexStringToByteArray with custom implementation;
+- commented javax.swing references in Utils.java;
+
+### Gradle:
+- changed from java build to android build;
+- updated netty-all from 4.0.23 to 4.0.28;
+- disabled org.antlr:antlr4-runtime:4.5 ( use 4.0 from com.yuvalshavit:antlr-denter:1.1 );
+- replaced org.slf4j:slf4j-api:1.7.7 with org.slf4j:slf4j-android:1.7.12
+- removed org.javassist:javassist:3.15.0-GA;
+- removed log4j:log4j:${log4jVersion};
+- removed org.hibernate:hibernate-core:${hibernateVersion};
+- removed org.hibernate:hibernate-entitymanager:${hibernateVersion};
+- removed commons-dbcp:commons-dbcp:1.4;
+- removed redis.clients:jedis:2.6.0;
+- removed org.slf4j:slf4j-log4j12:${slf4jVersion};
+- removed log4j:apache-log4j-extras:${log4jVersion};
+
 # Todo
+- Android-specific BlockStore Implementation
+- Seperate APP from core repo
+- Unit Tests
+
 This is a work in progress.
 
 # Gotchas