Merge branch 'develop' into gh-pages

Conflicts:
	index.html
	src/GameScene.js
	src/Player.js
	src/enemy/Enemy.js
	src/main.js
update tmlib.js
add build script
iro-iro
Merge branch 'develop' into gh-pages
Merge branch 'gh-pages' of https://github.com/daishihmr/glshooter2 into gh-pages

Conflicts:
	index.html
	src/enemy/Enemy.js
	src/enemy/EnemyHard.js
	src/main.js