Update latest DART release from Lanai to Manhattan

Author: mgduda

dart_atmosphere/dart_atmosphere.html

@@ -27,7 +27,7 @@
 ensemble Kalman filter (EnKF) implemented through Data Assimilation Research Testbed (<a href="http://www.image.ucar.edu/DAReS/DART" target="_blank">DART</a>). 
       This work is done in a collaborative effort between the <a href="http://www.mmm.ucar.edu">Mesoscale and Microscale Meteorology (MMM)</a> Division and the DART development team in the Institute for Mathematics Applied to Geosciences (IMAGe) in the <a href="http://ncar.ucar.edu" target="_blank">National Center for Atmospheric Research (NCAR)</a>. <br /><br/> 
 
-The latest official release of DART (the "Lanai" version) includes interfaces for both MPAS-Atmosphere and MPAS-Ocean.
+The latest official release of DART (the "Manhattan" version) includes interfaces for both MPAS-Atmosphere and MPAS-Ocean.
 To download the code, click <a href="https://dart.ucar.edu/software/" target="_blank">here</a> or email dart at ucar dot edu. <br /><br/>
 
 In collaboration with NOAA's <a href="http://www.esrl.noaa.gov">Earth System Research Laboratory</a>, related efforts are also underway to explore ensemble data assimilation for MPAS-Atmosphere with the Gridpoint Statistical Interpolation (GSI) scheme that is operational at <a href="http://www.ncep.noaa.gov">the National Centers for Environmental Prediction</a>.