Suppression of Progress bar's animation
Merge remote-tracking branch 'origin/feat/localMusicAccess' into res/ui

Conflicts:
	app/src/main/java/binauld/pierre/musictag/adapter/LibraryItemAdapter.java
	app/src/main/java/binauld/pierre/musictag/io/LibraryItemLoader.java
	app/src/main/java/binauld/pierre/musictag/widget/AnimatedProgressBar.java
	app/src/main/res/layout/activity_main.xml
Merge branch 'feat/tagModification' into res/ui
Put validation item in the action bar.
Hide/Show action bar when scroll up/down.
Use card for tag form activity.