Configurable SSH port and Nginx filters

Closes #4 (closed). Closes #3 (closed). To be rebased on !2 (merged). Will leave sit for a bit. All options disabled by default.

added 4 commits

• d80eef1a...305db0e0 - 2 commits from branch master
• 65873af2 - Allow to customise SSH port
• 2a59177b - Allow to enable nginx filters

Compare with previous version

assigned to @decentral1se

mentioned in commit 7204d98e

merged

Wanna get that running on Autonomic side shortly.

changed the description