(Maint) Update commands to use new forms in hiera examples

The hiera examples were written assuming that puppet apply was just
puppet (the old form), and that hiera was not always available (and so
set the libdir).

examples/hiera/README.md

@@ -24,7 +24,7 @@ Module from forge with module defaults
 
 <pre>
 $ mv modules/data modules/data.bak
-$ puppet --config etc/puppet.conf --libdir ../lib site.pp
+$ puppet apply --config etc/puppet.conf site.pp
 notice: /Stage[main]/Ntp::Config/File[/tmp/ntp.conf]/ensure: defined content as '{md5}7045121976147a932a66c7671939a9ad'
 notice: /Stage[main]/Users::Common/Notify[Adding users::common]/message: defined 'message' as 'Adding users::common'
 $ cat /tmp/ntp.conf
@@ -40,7 +40,7 @@ Site wide override data in _data::common_
 
 <pre>
 $ mv modules/data.bak modules/data
-$ puppet --config etc/puppet.conf --libdir ../lib site.pp
+$ puppet apply --config etc/puppet.conf site.pp
 notice: /Stage[main]/Ntp::Config/File[/tmp/ntp.conf]/content: content changed '{md5}7045121976147a932a66c7671939a9addc2' to '{md5}8f9039fe1989a278a0a8e1836acb8d23'
 notice: /Stage[main]/Users::Common/Notify[Adding users::common]/message: defined 'message' as 'Adding users::common'
 $ cat /tmp/ntp.conf
@@ -56,7 +56,7 @@ Fact driven overrides for location=dc1
  * The _hiera_include()_ function includes _users::common_ and _users::dc1_ as the data file for dc1 adds that
 
 <pre>
-$ FACTER_location=dc1 puppet --config etc/puppet.conf --libdir ../lib site.pp
+$ FACTER_location=dc1 puppet apply --config etc/puppet.conf site.pp
 notice: /Stage[main]/Ntp::Config/File[/tmp/ntp.conf]/content: content changed '{md5}8f9039fe1989a278a0a8e1836acb8d23' to '{md5}074d0e2ac727f6cb9afe3345d574b578'
 notice: /Stage[main]/Users::Common/Notify[Adding users::common]/message: defined 'message' as 'Adding users::common'
 notice: /Stage[main]/Users::Dc1/Notify[Adding users::dc1]/message: defined 'message' as 'Adding users::dc1'
@@ -69,7 +69,7 @@ Now simulate a machine in _dc2_, because there is no data for dc2 it uses the si
 does not include the _users::dc1_ class anymore
 
 <pre>
-$ FACTER_location=dc2 puppet --config etc/puppet.conf --libdir ../lib site.pp
+$ FACTER_location=dc2 puppet apply --config etc/puppet.conf site.pp
 warning: Could not find class data::dc2 for nephilim.ml.org
 notice: /Stage[main]/Ntp::Config/File[/tmp/ntp.conf]/content: content changed '{md5}074d0e2ac727f6cb9afe3345d574b578' to '{md5}8f9039fe1989a278a0a8e1836acb8d23'
 notice: /Stage[main]/Users::Common/Notify[Adding users::common]/message: defined 'message' as 'Adding users::common'