fixes #7 - messed up header view after notifyDataSetChanged() from list adapter
removed unnecessary line - fix in previous commit
Added support for gradle builds
Added support for gradle builds
Revert "removed unnecessary line - fix in previous commit"

This reverts commit dfc0d0debeffa3607523e8f5cf9d21fac6d545ab.
Revert "fixes #7 - messed up header view after notifyDataSetChanged() from list adapter"

This reverts commit 1795053942c92910d64083363ca60449b69424c7.
Added missing gradle file