NetLogo versions

v5.3.1 [Jan 9, 2016]
- Java 8 is now bundled with all versions of NetLogo, this removes the need for a separate Java 6 installation on Mac OS X
- The Windows installer is now an msi instead of an exe javax.media.opengl is no longer supported in Java 8, it has been replaced by com.jogamp.opengl
- Mathematica Link is not distributed due to Java version changes
- A minor update to the `nw` extension makes `nw:weighted-path-to` behave as documented.
- Most extensions should continue to work without change unless they rely on javax.media.opengl, which was renamed in the updated version of JOGL.

v5.1.0 [Aug 9, 2014]
- added bundle network extension
- extensions API changes to support new network extension
- File menu now includes recently opened files
- deprecate applets
- make globals inspector more visible
- added Computer Science model: K-Means Clustering
- various bugfixes

v5.0.5 [Apr 13, 2011]
- Info tabs can now include images and rich formatting, using the "Markdown" markup language (#816)
- Unicode is supported throughout the application (#1058)
- GUI is internationalized (but not localized yet except for U.S. English and a preliminary Spanish localization) (#812)
- plotting code can now be removed from the Code tab and put inside each plot instead (#9)
- the default speed of models is now authorable (via a target frame rate setting) (#72)
- buttons can now optionally disable until the tick counter starts (e.g., to disable "go" until "setup" is pressed) (#1003)
- alpha/transparency is now supported in the 3D view and in NetLogo 3D (if you use RGBA colors) (#1092)