v1.8.0

• #37 Stop phpqa when .phpqa.yml or specified standard doesn't exist
• #39 Analyze multiple directories + deprecate analyzing one directory
  • Before: phpqa --analyzedDir ./
  • After: phpqa --analyzedDirs ./
• Drop outdated versioneye badge in favor of composer outdated --direct
• Upgrade QA tools (phpcs, phpmd, pdepend)