Fixed names for hydrotrend input and output directories.
Changed border width around code boxes.
Added database of launch hosts.
Changed to install new hosts database.
Changed launch command to leave updating job status to the launch script.
Added new function launch_cmt_on_host.

Added
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* launch_cmt_on_host function sets up a simulation on a remote server
  through ssh and then runs the simulation.
Changed to use new launch_cmt_on_host function and stage a run.sh script.
Added code to run each component in standalone mode; better error handling.
Merge branch 'master' of https://github.com/csdms/wmt