Update documentation to add an auto-generated list of packages.

var/spack/packages/cmake/package.py

@@ -25,6 +25,8 @@
 from spack import *
 
 class Cmake(Package):
+    """A cross-platform, open-source build system. CMake is a family of
+       tools designed to build, test and package software."""
     homepage  = 'https://www.cmake.org'
     url       = 'http://www.cmake.org/files/v2.8/cmake-2.8.10.2.tar.gz'
 

var/spack/packages/dyninst/package.py

@@ -25,6 +25,8 @@
 from spack import *
 
 class Dyninst(Package):
+    """API for dynamic binary instrumentation.  Modify programs while they
+    are executing without recompiling, re-linking, or re-executing."""
     homepage = "https://paradyn.org"
     url      = "http://www.dyninst.org/sites/default/files/downloads/dyninst/8.1.2/DyninstAPI-8.1.2.tgz"
     list_url = "http://www.dyninst.org/downloads/dyninst-8.x"

var/spack/packages/launchmon/package.py

@@ -25,6 +25,8 @@
 from spack import *
 
 class Launchmon(Package):
+    """Software infrastructure that enables HPC run-time tools to
+       co-locate tool daemons with a parallel job."""
     homepage = "http://sourceforge.net/projects/launchmon"
     url      = "http://downloads.sourceforge.net/project/launchmon/launchmon/1.0.1%20release/launchmon-1.0.1.tar.gz"
 

var/spack/packages/libunwind/package.py

@@ -25,6 +25,8 @@
 from spack import *
 
 class Libunwind(Package):
+    """A portable and efficient C programming interface (API) to determine
+       the call-chain of a program."""
     homepage = "http://www.nongnu.org/libunwind/"
     url      = "http://download.savannah.gnu.org/releases/libunwind/libunwind-1.1.tar.gz"
 

var/spack/packages/scr/package.py

@@ -25,6 +25,9 @@
 from spack import *
 
 class Scr(Package):
+    """SCR caches checkpoint data in storage on the compute nodes of a
+       Linux cluster to provide a fast, scalable checkpoint/restart
+       capability for MPI codes"""
     homepage = "https://computation-rnd.llnl.gov/scr"
     url      = "http://downloads.sourceforge.net/project/scalablecr/releases/scr-1.1-7.tar.gz"
 

var/spack/packages/spindle/package.py

@@ -25,6 +25,11 @@
 from spack import *
 
 class Spindle(Package):
+    """Spindle improves the library-loading performance of dynamically
+       linked HPC applications.  Without Spindle large MPI jobs can
+       overload on a shared file system when loading dynamically
+       linked libraries, causing site-wide performance problems.
+    """
     homepage = "https://computation-rnd.llnl.gov/spindle"
     url      = "https://github.com/hpc/Spindle/archive/v0.8.1.tar.gz"
     list_url = "https://github.com/hpc/Spindle/releases"