fix description of `render` command (fixes #125)

pollen/private/command.rkt

@@ -50,9 +50,8 @@
 help                   show this message
 start [dir] [port]     starts project server in dir (default is current dir) 
                           (default port is ~a)
-render  [dir] [dest]   render project in dir (default is current dir) 
+render [dir]           render project in dir (default is current dir) 
-                          to dest (default is desktop)
+render path ...        render one or more paths (can be source or output name)
-render filename        render filename only (can be source or output name)
 publish                copy project to ~a without source files
 publish [dir] [dest]   copy project in dir to dest without source files
                           (warning: overwrites existing dest)

pollen/private/ts.rktd

@@ -1 +1 @@
-1471901726
+1473015153