Release 1.6: rework dove cli interface, remove old unused code

[mkurnikov]

• [x] remove old unused dependencies, fix temp local ones to point to the fork
• [x] replace dove build --bundle with dove deploy
• [x] command preprocessing to add proper aliases
• [x] rewrite tests for new commands, remove ones that are already tested in the fork
• [x] add --init flag to package new in the fork, alias dove init to dove package new --init