ubuntu: rename ag to age to avoid conflict with The Silver Searcher

Fixes #3866

plugins/ubuntu/README.md

@@ -14,11 +14,11 @@ Commands that use `$APT` will use `apt` if installed or defer to `apt-get` other
 
 | Alias   | Command                                                                  | Description                                                                                       |
 |---------|--------------------------------------------------------------------------|---------------------------------------------------------------------------------------------------|
+| age     | `sudo $APT`                                                              | Run apt-get with sudo                                                                             |
 | acs     | `apt-cache search`                                                       | Search the apt-cache with the specified criteria                                                  |
 | acp     | `apt-cache policy`                                                       | Display the package source priorities                                                             |
 | afs     | `apt-file search --regexp`                                               | Perform a regular expression apt-file search                                                      |
 | afu     | `sudo apt-file update`                                                   | Generates or updates the apt-file package database                                                |
-| ag      | `sudo $APT`                                                              | Run apt-get with sudo                                                                             |
 | aga     | `sudo $APT autoclean`                                                    | Clears out the local reposityory of retrieved package files that can no longer be downloaded      |
 | agb     | `sudo $APT build-dep <source_pkg>`                                       | Installs/Removes packages to satisfy the dependencies of a specified build pkg                    |
 | agc     | `sudo $APT clean`                                                        | Clears out the local repository of retrieved package files leaving everything from the lock files |

plugins/ubuntu/ubuntu.plugin.zsh

@@ -21,7 +21,7 @@ alias afu='sudo apt-file update'
 
 alias ppap='sudo ppa-purge'
 
-alias ag="sudo $APT"
+alias age="sudo $APT"
 alias aga="sudo $APT autoclean"
 alias agb="sudo $APT build-dep"
 alias agc="sudo $APT clean"