Merge pull request JFXtras#62 from mibamur/2.2

Update README.md

README.md

@@ -2,9 +2,33 @@ JFXtras-labs
 ============
 _A project for experimenting with new controls and other useful JavaFX extensions_
 
+Java version
+--------------------
+JavaFX 2.2 - JDK 7
+```git checkout 2.2```
+
+JavaFX 8 - JDK 8
+```git checkout 8.0```
+
+Install/Build
+--------------------
 Building with Gradle
+Command ```./gradlew build``` will install necessary gradle version
+
+```
+git clone https://github.com/JFXtras/jfxtras-labs.git
+cd jfxtras-labs
+git checkout *YOUR_JAVAFX_VERSION*
+./gradlew build
+```
+
+Troubleshooting
 --------------------
-* Set your environment variable JAVA_HOME to the directory that contains jre/lib/jfxrt.jar.
-* cd jfxtras-labs
-* gradlew build
+set correct JAVA_HOME
+example ```JAVA_HOME=/usr/lib/jvm/default-java/``` in .bashrc
+test ```file $JAVA_HOME/jre/lib/jfxrt.jar``` Unix
+sometimes ```jre/lib/jfxrt.jar``` placed in ```jre/lib/ext/jfxrt.jar``` you can make symlink
+
+
+### Please make [Issue](https://github.com/JFXtras/jfxtras-labs/issues) if have problem with build (write linux/windows/OSX version, JDK version/build, log file with errors)