fix for download link
Fixed javadoc in ParagraphJavadocCheck #365
Fixed javadoc in SummaryJavadocCheck  #365
Fixed javadoc in NonEmptyAtclauseDescription  #365
writingchecks were updated to have links to Eclispe plugin and new screeshot, some changes in text
new picture for GUI
changes in writingchecks to be more precise and clear, a lot of links were added
Issue #371. Fixed NumberFormatException while logging in AbstractJavadocCheck
#339 fixed. Generics in postfix expression before method referencec can be parsed now.