Proposed new directory structure for collections repo

dir-structure.txt

src
    python
    sql (currently /src/main/python/disco/collections/common/migration/migrations)
    html (currently /src/main/python/disco/collections/templates)
config
test
    unit
    integration
    manual (currently various files in /src/test/python)
    data (currently /resources)
build
    pipfiles
    docker
    agent
        windows (currently /src/main/installer)
        mac (currently /src/main/installer/mac)
deploy
    cloudformation
    jenkins
scripts
Makefile