Forked osxappbundle-maven-plugin v. 1.0-alpha-2

In this fork the following issues have been fixed:

• MOJO-1559 -XstartOnFirstThread vm option is not honored
• MOJO-1688 On Mac OS X whith SetFile utility, the generated .app has an alias attribute and do not execute
• MOJO-1842 Bundle creation fails with Xcode 4.3
• MOJO-1888 Allow to skip packaging the app bundle as a Zip archive
• MOJO-1889 Allow packaging pom
• MOJO-1892 Do not create a $JAVAROOT/repo folder if there are no project dependencies to copy there
• MOJO-1900 Add support for code signing