Add tm.input.Keyboard#keyPress and tm.input.Keyboard#clearKeyPress function.
Merge pull request #69 from yalab/keypress

キーを押したことにできる機能をつけました
fix
add example
fix
fix
fix
Merge branch 'develop' of https://github.com/phi-jp/tmlib.js into develop
fix
bug fix
bug fix
bugfix
build
fix
build
fix
Merge pull request #73 from daishihmr/patch-1

bug fix
bug fix
Merge branch 'develop' into feature/namespace_adjust

Conflicts:
	build/tmlib.js
	build/tmlib.min.js
	src/display/sprite.js