value for alerts about ssl expires (#291)
value for alerts about ssl expires (#291)

* fix

* comments

* forward plugin: [fix] ability to configure via env + refactor via @satterly comment

* forward: [fix] some bugs with forwarding

* urlmon: [impr] Ability to set differents endpoints for checkers

* urlmon: [impr] 2to3 + ssl expire check

Ability to run urlmon on py3 env.
Ability to check ssl expiration dates for monitored urls

* urlmon: [fix] typo

* urlmon: [fix] typo

* urlmon: [fix] remove urllib.__version__ from user-agent

* urlmon: [fix] typo error in connect

* urlmon: [fix] many fixes for ssl-checker

* urlmon: [fix] close old events

* urlmon: [impr] send alert when queue nore than 100 items

* urlmon: [fix] typo

* urlmon: [fix] send ok message

* urlmon: [impr] ssl value

alerta/alerta-contrib,alerta/alerta-contrib,alerta/alerta-contrib