add findbugs.py, parse_line function complete
finish parser of findbugs, firehose/parsers/findbugs.py
add testcase for findbugs and fix some bugs of findbugs-parser
remove license for findbugs parser
update testcase for findbugs
try to fit python3
using proper style of print
add license for findbugs exporter
Merge pull request #21 from shuxiong/master

findbugs exporter
Update README.rst

Add "findbugs" to list of things we can parse
Implement __eq__ and __ne__ in the base class directly

This closes #19 by making the equality checks uniform across all classes.