A few changes
better layout?
few layout changes
make layout scrollable
Revert "make layout scrollable"

This reverts commit 6210084fe8bc9f974c587e02c38e3b24f5d730d2.
Revert "Revert "make layout scrollable""

This reverts commit c608789cea890065fd435002afd7246b3565b022.
many changes
add a new menu action
Layout fixing and new about activity
Layout fixing and new about activity
Merge branch 'devel' of github.com:benklett/android_app_calculator into devel
Add licence info for every source file
Update README.md