Add clawapps repository support, fix missing error

This commit removes the exception that the clawapps environment has not
been implemented and now sets an environment variable called CLAWAPPS
that points to the appropriate path.  It also fixes a bug related to
printing out missing project dependencies.

src/python/setenv.py

@@ -166,8 +166,7 @@ def write_env_files(claw_path,verbose=True,outfile_base="setenv",
         missing_projects = check_repos_dependencies(project,available_projects.keys())
         if missing_projects is not None:
             error_msg = "The project %s depends on the following missing projects:" % project_name
-            for project in missing_projects:
-                error_msg += "\n  %s" % project
+            error_msg += ("\n %s" % name for name in missing_projects)
 
     # =========================================================================
     #  Write out out_file_base.csh and out_file_base.sh
@@ -217,8 +216,9 @@ def write_env_files(claw_path,verbose=True,outfile_base="setenv",
         write_environment_variable(csh_file,bash_file,"PYCLAW",available_projects["pyclaw"])
 
     if "clawapps" in available_projects:
-        raise NotImplementedError("Environment settings not implemented for clawapps!")
-
+        print "  CLAWAPPS = %s" % available_projects["clawapps"]
+        write_environment_variable(csh_file,bash_file,"CLAWAPPS",available_projects["clawapps"])
+
     if "doc" in available_projects:
         pass
 
@@ -239,8 +239,7 @@ def write_env_files(claw_path,verbose=True,outfile_base="setenv",
         write_environment_variable(csh_file,bash_file,"SHARPCLAW",available_projects["sharpclaw"])
 
     if "clawpack-4.x" in available_projects:
-        # python_path
-        # = ":".join((os.path.join(available_projects["clawpack-4.x"],"python"),python_path))
+        # python_path = ":".join((os.path.join(available_projects["clawpack-4.x"],"python"),python_path))
         print "  CLAW_4 = %s" % available_projects["clawpack-4.x"]
         write_environment_variable(csh_file,bash_file,"CLAW_4",available_projects["clawpack-4.x"])