Add MIRA4 paired read naming option (with documentation)
Correct MIRA4 manifest, pair info should not be repeated for each file
Define min/max template size for MIRA4 de novo, with validator via <code> tag.

This is using the DEPRECATED and undocumented <code> tag, based
loosely on the example of Bjoern Gruening's deseq2 wrapper,
https://github.com/bgruening/galaxytools/blob/master/deseq2/deseq_helper.py