Used $log incorrectly.
Set the default and ignore hash parameters.
More armor and DRY for gallery image size.
Add Indonesian to languages list.
Allow using one language TTS for another to support using German for
Indonesian and any others that come up.
Don't report page views to Google Analytics on previews and prefetches.

This should reduce false reports and bounce rate caused by the top sites
and prefetch features.
Issue #236 downloading draft books fails