Merge branch 'release/1.0.0'
Merge branch 'release/1.1.0'
Merge branch 'release/1.1.1'
Merge branch 'release/1.1.2'
Merge branch 'release/1.1.3'
Merge branch 'release/1.1.4'
Merge branch 'release/1.2.0'
Merge branch 'release/1.2.1'
Merge branch 'release/1.2.2'
Scrutinizer Auto-Fixes

This patch was automatically generated as part of the following inspection:
https://scrutinizer-ci.com/g/tomkyle/ResponsivePicture/inspections/ad25f3ff-22ad-4335-acb1-39c896cbc829

Enabled analysis tools:
 - PHP Analyzer
 - PHP PDepend
 - PHP Similarity Analyzer
 - PHP Change Tracking Analyzer
Merge pull request #1 from tomkyle/scrutinizer-patch-1

Scrutinizer Auto-Fixes
Merge branch 'release/1.2.3'
Merge branch 'release/1.2.4'
Updated coveralls badge URL
Merge branch 'hotfix/1.2.5' into develop