Added HtmlVideoServlet posted in the forum by Anonymous. Updated web.xml display name and description.
- Updated the README to make the directions clearer
added beginning html and body tags
- Updated the handin utilities to print more explanatory error messages
  for file permission problems
Fix references to package namespace
Use threadsafe java.util.concurrent.CopyOnWriteArrayList and removed form action because of application context weirdness: http://stackoverflow.com/questions/1131781/is-it-a-good-practice-to-use-an-empty-url-for-a-html-forms-action-attribute-a
Merge pull request #2 from jchochli/master

Added HtmlVideoServlet posted in the forum by Anonymous. Updated web.xml...
Merge pull request #3 from MrSparc/master

README.md: Fix references to package namespace
- Added InternalAutoGradingTest, which is a compiled duplicate of AutoGradingTest,
  to fix issues with mixing test/main Java code and verification errors for
  submissions
- Updated build.gradle to specify Java 1.7 source compatibility
- Removed source set modifications from build.gradle that are unnecessary
  with new InternalAutoGradingTest approach