bearstouch/android_img_resizer — pull request #1 by sethgho (2014-01-08 17:42:58+00:00)
Title: Broaden directory & file requirements in validation.

With Android Studio/Gradle's project & flavor structure, a manifest file and src
directory may not necessarily exist. Running android_img_resizer in a specific flavor directory refused to resize the image in my product flavors with this structure:
```
MyProject/
+-- build.gradle
+-- src/
| |
| +-- main/
| +-- AndroidManifest.xml
| | +-- java/
| | +-- res/
| | | +-- drawable/
| | | +-- drawable-mdpi/
| | | +-- drawable-hdpi/
| | | +-- drawable-xhdpi/
| |
| +-- flavor1/
| | +--res/
| | | +-- drawable/
| | | +-- drawable-mdpi/
| | | +-- drawable-hdpi/
| | | +-- drawable-xhdpi/
| |
| +-- flavor2/
| | +-- res/
| | | +-- drawable/
| | | +-- drawable-mdpi/
| | | +-- drawable-hdpi/
| | | +-- drawable-xhdpi/
```