* Updated Dropdown Descriptions to match documentation
* Removed full stops and hyphens in field descriptions
* Removed hyphen on description on line 267
* Fixed typographical errors for Github node
* Fixed typo for Zoom Credentials
* Changed Postgres node description to match Postgres docs (https://github.com/n8n-io/n8n-docs/pull/30)
* Changed Rocketchat displayname to RocketChat
* Fixed typographical errors (and matched with docs) for Trello node descriptions
* Updated Jira node descriptions to match docs