PHP 5.3 / 7.4 and more

This is a new release which includes support for PHP 5.3 and PHP 7.4 RC.

All changes in this release:

• Using phpbrew for PHP 5.3-5.5 (#70)
• Refactored Dockerfiles for 5.4 and 5.5 to be based on the same base image as PHP 5.3 (#70)
• Added a handy tnpm command for easier use of npm (#78, thanks @markmetcalfe)
• Added support for PHP 7.4 RC (#72, thanks @samanthajayasinghe)
• Add more bash aliases (#77, thanks @markmetcalfe)

Bugfixes:

• Fixed JPEG support (#76)
• Fixed outdated libssl version (#79)