Fix issues with javadoc @throws.
Remove unnecessary error output.
spritepacker-maven-plugin-5 Possible Memory Leak
* Add an integration test demonstrating the problem.
spritepacker-maven-plugin-5 Possible Memory Leak
* Correctly close the input streams for the images.
Update parent pom to avoid findbugs issues with Java 8.
spritepacker-maven-plugin-5 Possible Memory Leak
* Merge nested try blocks.
Restore accidentally removed javadoc @throws.
* use imports for exceptions in @throws
* remove unnecessary throws clauses
* remove redundant javadoc on interface implementation
* Correct exception message.
* Disable ImageIO disk cache when reading images.
* Use single class imports.
Merge pull request #7 from 1and1/unclosed-input-streams

Unclosed input streams