v0.15.0 - Job parameters in token filters and general core transformation refactor

• Added job parameters for all token filters by making them generic
• Refactored all core transformations to be more extensible, especially for use with job parameters
• Differentiated abstract and concrete version of core transformations and targets for this reason
• Abstracted objects that have a phase collector reference, this may be used as preparation for future abstractive changes
• Made the MultiFilter not extend an array list but instead contain one

Meta:

• Organized the todo document more

Full Changelog: v0.14.0...v0.15.0