implement posts#edit test
implement posts#destroy test
add coveralls to project
set log_level to debug for test end development environments
fix action name of get query in posts#create test
add blank line after badge in README
add coveralls badge in README
implement posts#index test
replace redundant generation method with factory build
refactor tests to use dynamic find methods of models
add result checking to posts#create test
add comments factory
implement comments#create test
disable http authentication in comments controller for test environment
implement comments#destroy test
add link to heroku in README
put coveralls call on top of test_helper
add configus to project
setup configus for environments
use configus for providing parameters