Switch to SVG for build status tag
Fix converters not being applied to null values
Limit symfony/console version at 2.4
Use Symfony 2.5 ProgressBar Helper + allow option to set verbosity
Merge pull request #73 from WeareJH/symfony-progressbar-helper

Use Symfony 2.5 ProgressBar Helper + allow option to set verbosity
OneToMany Reader - For Merging 2 readers