Removed commented out lines of code.
Using char instead of a string for lastIndexOf is faster. Made replacements in PrettyHTML.
Using char instead of a string for lastIndexOf is faster. Made replacements in DomUtils.java and UrlUtils.java.
Removed unused imports, commented out unused lines of code, adjusted if statements to use string literals first.

Reduces the number of violations thrown in com.crawljax.core.
Merge branch 'refactoringSonar' of github.com:rsingla92/crawljax into refactoringSonar
Using equals() for string comparison
Merge pull request #11 from rsingla92/refactoringSonar

Refactoring sonar