screenWidthDp and smallestScreenWidthDp unsupported on pre SDK 13 devices
revert android target change
Merge pull request #1 from chatch/master

screenWidthDp crash on pre SDK 13 devices
1.0.6; fix widthDp/smallestWidthDp calculation for pre-API13 devices.  While these devices can't take advantage of smallestWidthDp, might as well calculate the proper value.
Merge changes from upstream:
1.0.6; fix widthDp/smallestWidthDp calculation for pre-API13 devices.  While these devices can't take advantage of smallestWidthDp, might as well calculate the proper value.