add number column to post
skeleton for read_board
increase # of posts to 100
Ignore config/database.yml

Close #28
Merge pull request #29 from yous/patch-hide-database

Ignore config/database.yml
Replace capitalize with camelize and set the default value of bind_menu
Update documents
Apply #18 again
Apply #20 again
Apply #21 again
Align begin, rescue, end keywords
Remove unnecessary initialize
Simplify `color_sample`
Add documentation for color_<color> methods
Update README.md
Move require statement of Terminal to termapp/application
Make sure the termination of `term` in Applicaiton#run
Update documentation
Update pending message
Wrap example with around