Notify_util passes port as binary string to gen smtp client, it wants an int
Adding maintenace commands to notify to configure the smtp_client doc
Updated documentation for KAZOO-3037
Fixing specs
Added reload_smtp_configs t o notify_maintenance and Updated documentation on notify
Merge pull request #581 from Mike-Dunton/master

KAZOO-3037 Create maintenance routine for configuring SMTP config
Merge pull request #586 from Mike-Dunton/hotfix/Gen_SMTP_Client_Will_always_use_port_25

Notify_util passes port as binary string to gen smtp client, it wants an...
master: use get_integer/3 instead
3.18: set resp status while validating resource_template
KAZOO-3034: Fix used by once and for all (auto correct between phone numbers doc and number doc)
KAZOO-3034: spec updates, refactor out massive nested clauses to
separate functions