Merge pull request #9 from kuamanet/minor_updates

- Fixed hard-coded path for cropped documents

Merge pull request #7 from kuamanet/fix-close-buttons

fix: close button now fixed

Merge pull request #4 from kuamanet/ready-for-build

- fix: build problems

Merge pull request #3 from kuamanet/fix_assertion_failed

New document detection

Return document bitmap

update changelog and bump version

lower minSdkVersion and update manifest

add close scanner button

first commit