Added package documentation for component.
documentation
Merge branch 'documentation'
Added a link to Maven eclipse download.
Removed commented out code.
Initial work on Gradle build system to replace Apache buildr.
Removed auto-generated eclipse configuration and git ignores it now.
Launch4j support added to build script.
Ported buildr javahelp to gradle script.
Added documentation to Startup.parseArgs
Added gradle command for javadoc to readme.
added javadoc comments to com.cburch.logisim.LogisimVersion
added documentation to com.cburch.logisim.LogisimVersion
Removed useless hashCode method, cleaned up compareTo.
Why we work on this.
Merge remote-tracking branch 'steinmetzr/master'
Tested on Mac OS X.

MRJ helps Java applications integrate with the Mac application menu.
In some ways, this is nice (e.g., About). In other ways, this isn't: Preferences doesn't appear under the Logisim menu. More work is necessary to make this just right on Mac.