Removing unused files
URL_CANONICAL searches now prefer exact url matches when possible.
Eliminated code redudancies and updated comments/javadoc
Removed unusued import
Do away with per host tracking of stats.
Not used much and this analysis can be done post crawl if desired.
Eliminate Duplicate class. 
Use IdenticalPayloadDigestRevisit class directly instead.
Merge remote-tracking branch 'authorative/master'
Compare apples to apples
Converted 'welcome' page to markdown.
Build modified
Get rid of buildnumber in artifacts
Do not create a version of Heritrix with DeDuplicator baked in.
Various bits of polish.
Get number of docs in index via proper channels.
Added Heritrix install to manual
Update license
Do away with Statistics class
Was only useful for perHostStats.
Add some performance tracking
Add DIGEST_URL_PREFERED search strategy
Update manual
Mention DIGEST_URL_PREFERRED search strategy in profile
Fixed spelling of enum, PREFERRED is preferred to PREFERED
Addtional statistics
Have property for Lucene version