Updated controller
5.7 version
Merge branch 'master' into 5.7

Conflicts:
	blocks/html5_audio_player_basic/controller.php
	blocks/html5_audio_player_basic/form.php
updated version number
Removed jquery ui theme
add bootstrap theme and made it the default
Messing with icon sizes
code formatting
Merge branch 'master' into 5.7

Conflicts:
	.gitignore
	controller.php