Update README.me to 0.20.0Beta release.

README.md

@@ -48,8 +48,8 @@ See more [screenshots](https://github.com/tuomount/Open-Realms-of-Stars/tree/mas
 ### Features
 
  * Randomized galaxy with three different starting placements
- * 12 different space races to play
- * 21 different government types to play
+ * 14 different space races to play
+ * 23 different government types to play
  * Any realm can start as ancient realm even human player
  * Random events
  * Planetary events
@@ -69,6 +69,7 @@ See more [screenshots](https://github.com/tuomount/Open-Realms-of-Stars/tree/mas
  * Each new technology will give either new ship component, ship hull or planetary improvement.
  * All ships are designed based on currently available technology
  * AI does not cheat and each AI is trying to make their own realm as strong as possible
+ * 3 Difficulty levels to choose for each AI realm.
  * Turn based space combat
  * Planets can conquered with troops and bombs
 
@@ -93,15 +94,6 @@ Git project also contains an Eclipse project which should automatically compile
 All java files under src folder needs to be compiled. Even when compiling Eclipse
 run first maven command (``mvn install``) to fetch all the dependencies.
 
-### Troubleshooting on compile
-
-If you encounter following error while running command ``mvn install``:
-``Error: Could not find or load main class org.apache.maven.surefire.booter.ForkedBooter``
-it is due bug in certain OpenJDK or Oracle Java version. See more information on Launchpad:
-https://bugs.launchpad.net/ubuntu/+source/openjdk-8/+bug/1800792
-
-Workaround is to use following command instead: (``mvn install -DforkCount=0``)
-
 ## Warning about using non stable version
 Compiling non-stable releases is not recommended.
 Non-stable versions of Open Realms of Stars may contain game breaking bugs that make the game unplayable.
@@ -133,6 +125,7 @@ Run the code through JUnits and checkstyle before making a pull request. This ca
  * Commit messages should be descriptive. If you are fixing an issue start commit line with #ISSUENUMBER.
  * Pull request should not contain merge commits from other branches.
  * Contributors retain their original copyrights. All code contributions must be under GPL2.0.
+ * Please try to implement JUnit for your code.
 
 I will try to take a look at pull requests as fast as I can. 
 If you are adding any new assets take a look at the next section for instructions.