add blank attr to the document link
show path to ps-dir and run-dir
improved visibility
fix host_spec
fix scheduler_wrapper_spec

- add 'bash -l -c' to commands
- add 'XSUB_BEGIN' to the output string
trivial bug fix
set style to treebtn of analyzers
optimize query

- when Run#result is large, runs_list_datatable tend to be slow.
  - to avoid performance degradation, get runs without result field
update README
fixed #249

- when create_parameter_sets CLI try to create a parameter set and an identical ps already exists in the collection, ps is not found properly.
refactoring parameter_sets_controller_spec
introduce _host_parameter_fields action

- this is an ajax action
- returns fields for host parameters in html
- JS inserts the html into the form
- initialize run with an appropriate submitted_to value
add test case
trigger change event after host_parameter fields are updated
add rendered file
show default values on analysis#create form
Merge pull request #251 from crest-cassia/create_ps_cli_cannot_handle_identical_ps

existing ps is not found in create_parameter_sets CLI
Merge pull request #252 from crest-cassia/bugfix_host_parameter_is_not_correct

Bugfix host parameter is not correct
Merge pull request #253 from crest-cassia/appear_default_value_on_analysis#create_form

show default values on analysis#create form
create analysis on failed runs