Revert "Untracking workspace specific eclipse files"

This reverts commit 76abcae7d1261027a144c124d50741078e00bd86.
Changing the README and removing these eclipse files (again)
re-adding assets folder
Removing eclipse files
Merge branch 'master' into dev-stable
Merge branch 'dev-stable'
Changing manifest for device support. Screen size turns out to be a bad
way to exclude tablets.