Crawlover view plugin is now included in the CLI.

* The URL and output dir are now mandatory parameters that don't need an identifier
* You can also specify the parallel count
Adopted the GNU pattern with long and short names for parameters. You can also override the output dir now
Better version status
Fixed the version message in help print
Fixed thread configuration
Merge pull request #112 from crawljax/issue-103-enable-crawl-output-by-default

Issue 103 enable crawl output by default