v0.7.8 - Update VRSC, KMD and mm2

[smk762]

Closes #527

VRSC ref: https://github.com/VerusCoin/VerusCoin/releases/tag/v1.1.1-13
MM2 ref: https://github.com/KomodoPlatform/komodo-defi-framework/releases/tag/v1.0.7-beta

[onur-ozkan]

just one note: checkouts and pulls can fail due to local changes on the repositories, but I am not sure if you want to handle them.

[smk762]

just one note: checkouts and pulls can fail due to local changes on the repositories, but I am not sure if you want to handle them.

We could put a git stash in there, but its not foolproof and users might prefer to deal with it on their own rather than have changes stashed without noticing. If the changes should be universal, please PR to the relevant repo.