refactoring
dataTables for simlar parameter sets
colorize values
refactoring
bug fix of boolean parameter handling

- a new parameter set having 'false' boolean parameter is not created when its default value is true
  - the value is wrongly converted to 'true' when casting
bug fix: execute analyzer in subshell

- When you redirect stdout or stderr to a file in the analyzer command, the output was not correctly redirected.
    - the output is redirected to _stdout.txt and _stderr.txt
- When an analyzer command include 'cd', the analyzer is not correctly executed.
add test

- test for the bug that analyzer cannot include redirection
description about a list of publications
Merge pull request #195 from crest-cassia/bugfix_boolean_parameter

bug fix of boolean parameter handling
Merge pull request #196 from crest-cassia/redirect_in_analyzer

Redirect in analyzer
Merge pull request #194 from crest-cassia/similar_parameter_sets_list

Similar parameter sets list
bug fix

in some environment, the result of 'ps au' is considered to be ASCII-8bit.
This causes an exception when rendering view.
Add .force_encoding('utf-8') to avoid this error.
a bug is fixed: update existed host status from nil to :enabled
bug fix when error bar is zero

- fixed a bug that an exception is thrown when error bar is zero.
  - due to a numerical error, sqrt of a negative value is sometimes calculated.
Merge pull request #198 from crest-cassia/bugfix_calc_error_bar

bug fix when error bar is zero
Merge branch 'Development' of github.com:crest-cassia/oacis into Set_polling_interval_for_each_host