add crash test case.
---
FATAL EXCEPTION: Thread-4115
java.lang.NullPointerException: key == null || value == null
at android.support.v4.util.LruCache.put(LruCache.java:117)
at com.diegocarloslima.byakugallery.lib.TileBitmapDrawable$DecoderWorker.run(TileBitmapDrawable.java:453)
fix crash bug on black rectangle.
Use Paint.FILTER_BITMAP_FLAG for improve image quality. (Anti-Alias on PNG Images)
fix Out of memory error issue. https://github.com/diegocarloslima/ByakuGallery/issues/1
fix crash bug by RuntimeException. https://github.com/azki/ByakuGallery/issues/1
add org.eclipse.jdt.core.prefs for eclipse setting.
Revert "fix crash bug on black rectangle."

This reverts commit 365584ce5681a6f159e0486ef7fbec24c3546429.
fix crash bug : #db04224
gardening
fix crash bug #1
d0d604461526d3ef8f64d75547d3c33a00f44e46
이미지가 로드되기 전에 터치 이벤트를 처리하여 이미지 초기 위치가 이상해지는 문제 수정.
Cancel TileBitmap Initialization AsyncTask when destroyItem in the Gallery ViewPager.
add 512x512 sample app icon.
Add sample app download link to readme.md
TouchImageView에서 두 손가락으로 크기 조절중에 LongPress 이벤트가 발생하는 문제 수정.
https://github.com/diegocarloslima/ByakuGallery/commit/5df839cd4c198af2495d3f0f3fc52f266318a7d1
https://github.com/diegocarloslima/ByakuGallery/commit/706b26c0ef33436e88544b59cc31630920336270
prevent NullPointerException.
Merge https://github.com/azki/ByakuGallery

Conflicts:
	ByakuGallery/src/com/diegocarloslima/byakugallery/lib/TileBitmapDrawable.java