Add sqlite3 dependency to bosh_vsphere_cpi

Signed-off-by: Maria Shaldibina <mariash@pivotal.io>
Rename jobs/bosh_vsphere_cpi to jobs/cpi

The cpi job must be named 'cpi' to be used by the new bosh-micro-cli.

Signed-off-by: Maria Shaldibina <mariash@pivotal.io>
Add bosh-micro-usage.md to vsphere-cpi-release

Signed-off-by: Maria Shaldibina <mariash@pivotal.io>