release as 0.4.1
- improved app navigation (does not work in remote mode)
- progress indicator for files loading
- misc fixes for stability and networking errors
Add check for invalid files response.
add protection for an empty share to protect against https://bugs.amahi.org/issues/1447
release as 0.4.2
 - stability fixes
Fix image loading.

ViewPager + ViewAnimator seems to be not a great combination for view
measuring. Luckily Picasso has its own animations.
Merge branch 'master' into signing-configuration