Log Message:
Update to 2014.08.05, from Leonardo Taccari in PR 49093:

While here also add a comment to document how to get a useful changelog (altough
it is also very complete because it include all commit messages) for future
pkgsrc commits.

Changes:
2014.08.05:
 o [vimeo] various improvements

2014.08.02.1:
 o [ubu] better quality support (.mp4)
 o [pbs] various improvements (including frontline video support)