fixing links parser / re-factoring shoot.coffee
improving syntax, committing just in order to 
send public RAW link
improve source readability and docs
remove page.close()
improve syntax
remove jsdom
Moving files into core folder.
Refactoring snapshooter from the ground up.
Fixing descriptions.
Updating option description.
Updating readme.
Updating description and adding dependency status badge.
Re-adding validation to check if phantomjs is installed.
Avoiding loading images, improving error and log messages, handling
status errors properly not breaking the crawling process.
Improving all erros and logs with some statistics.

Adding --once and --stdout flag options for on-demand single-threaded
crawling.

Adding more filters to avoid images, compresses files and empty anchor
links.
Adding ignore and timeout options.
Implementing time limit while crawling pages.
Implementing ignore filter patters, improving filters, fixing some
validations and cleaning up a bunch of things.
Updating usage example.
Updating help section.
Updating about section.