Working on different formatters
Generate report file
Updated docs and tests
Fix: Removed header from json report
Updated pom developer section
Added possibility to generate many type of report files
Updated copyright header and authors
Updated README about using many reports same time
Fixed outdated version
Changed separator for multiple output formats to a comma
Removed gradle.properties file
Renamed ObjectReporter to AbstractReporter
Added xml file header <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
Merge pull request #29 from Zenedith/output-file-format-support

Support for file report and different formats