Merge pull request #974 from github/djdefi-jq-req

Add jq to requirements

Author: djdefi

docs/requirements.md

@@ -6,7 +6,7 @@ storage and must have network connectivity with the GitHub Enterprise Server app
 ## Backup host requirements
 
 Backup host software requirements are modest: Linux or other modern Unix operating
-system (Ubuntu is highly recommended) with [bash][1], [git][2], [OpenSSH][3] 5.6 or newer, and [rsync][4] v2.6.4 or newer.
+system (Ubuntu is highly recommended) with [bash][1], [git][2], [OpenSSH][3] 5.6 or newer, [rsync][4] v2.6.4 or newer, and [jq][11] v1.5 or newer.
 
 The parallel backup and restore feature will require [GNU awk][10] and [moreutils][9] to be installed.
 
@@ -78,3 +78,4 @@ Due to how some components of Backup Utilities (e.g. MSSQL) take incremental bac
 [8]: https://help.github.com/enterprise/admin/guides/installation/upgrade-requirements/
 [9]: https://joeyh.name/code/moreutils
 [10]: https://www.gnu.org/software/gawk
+[11]: https://stedolan.github.io/jq/