By using option ca_certificates in proxy block it is possible now to select
CA against which backend certificates shall be checked.
Resolves#1550
Co-authored-by: Danny Navarro <navdgo@gmail.com>
* Updates the existing proxy and reverse proxy tests to include a new fallback delay value
* Adds a new fallback_delay sub-directive to the proxy directive and uses it in the creation of single host reverse proxies
* Enabled configurable Timeout for the proxy directive
* Added Test for reverse for proxy timeout
* Removed Duplication in proxy constructors
* Remove indirection from multiple constructors and refactor into one
* Fix inconsistent error message and refactor dialer initialization
