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Basics
The Groovy Console: 
- Groovy Console is launched with "groovyConsole" or "groovyConsole.bat", both located in "$GROOVY_HOME/bin"
- The Console has an input area and an output area.
- You type a Groovy script in the input area.
- When you select "Run" from the "Actions" menu, the console compiles the script and runs it.
- Anything that would normally be printed on System.out is printed in the output area.
- If the script returns a non-null result, that result is printed.
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