Define color_* method and color_sample for LocoTerm
Freeze constants
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Add print_block and replace groups of mvaddstr with it

Close #17
Simplify initializing items and freeze it
Add a new line between require statements and body
Add spec/termapp/ with basic LocoTerm tests
Add tests for core_ext/string

Since whole test sets are not passing, commented out them and added
FIXME annotation
Merge pull request #18 from yous/patch-define-color

Define color_* method and color_sample for LocoTerm
Merge pull request #19 from yous/patch-code-climate

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Merge pull request #21 from yous/patch-develop

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Add print_block and replace groups of mvaddstr with it

Close #17
Merge pull request #20 from yous/patch-print-block

Add print_block and replace groups of mvaddstr with it
Merge branch 'develop' of https://github.com/khwon/loco into patch/module-refactor

Conflicts:
	termapp/board.rb
	termapp/locoterm.rb
	termapp/menu.rb
	termapp/run.rb
	termapp/sample.rb
	termapp/user.rb