Update commented out imports to use v3

Use Go 1.11 (with modules enabled on alpine linux 3.8) for docker builds

Support Go 1.11 and drop support for Go 1.9

    - Support modules in Go 1.11

Merge branch 'update_pkgs'

Disable CGO to build binaries statically on the building platform

    - Previously, only cross-compiled binaries were built statically
    - Addresses: golang-migrate#45

Use environment variables since there's no way to pass secure data to…

… deploy script provider

Merge branch 'postgres-lock-fix'

Addresses: golang-migrate#4

Fix cli builds

    - Removed sqlite3 support from binaries
        - It was never working anyways: mattes/migrate#244
    - Don't use cgo as is requires a cross-compiler to build for other platforms
        - cgo was originally added for this reason: mattes/migrate#238 (comment)

Merge pull request golang-migrate#231 from mattes/cli-updates

build cli with all source and database drivers

Merge pull request golang-migrate#216 from thingful/v1.3.1-neo4j-https

Register neo4j driver using a pseudo `neo4js` protocol scheme.