Added yum aliases for: makecache, grouplist, groupinstall, and groupremove.

plugins/yum/yum.plugin.zsh

@@ -3,10 +3,14 @@
 alias ys="yum search"                       # search package
 alias yp="yum info"                         # show package info
 alias yl="yum list"                         # list packages
+alias ygl="yum grouplist"                   # list package groups
 alias yli="yum list installed"              # print all installed packages
+alias ymc="yum makecache                    # rebuilds the yum package list
 
 alias yu="sudo yum update"                  # upgrate packages
 alias yi="sudo yum install"                 # install package
+alias ygi="sudo yum groupinstall"           # install package group
 alias yr="sudo yum remove"                  # remove package
+alias ygr="sudo yum groupremove"            # remove pagage group
 alias yrl="sudo yum remove --remove-leaves" # remove package and leaves
-alias yc="sudo yum clean all"               # clean cache
+alias yc="sudo yum clean all"               # clean cache