Make splaylimit & runinterval types consistent

Previously, `splaylimit` defaulted to a String and wouldn't accept
Integers.  `runinterval` defaulted to an Integer but wouldn't accept
Strings.

manifests/init.pp

@@ -574,13 +574,13 @@
   Array[String] $listen_to = $puppet::params::listen_to,
   Boolean $pluginsync = $puppet::params::pluginsync,
   Boolean $splay = $puppet::params::splay,
-  Pattern[/^\d+[smhdy]?$/] $splaylimit = $puppet::params::splaylimit,
+  Variant[Integer[0],Pattern[/^\d+[smhdy]?$/]] $splaylimit = $puppet::params::splaylimit,
   Variant[Boolean, Stdlib::Absolutepath] $autosign = $puppet::params::autosign,
   Array[String] $autosign_entries = $puppet::params::autosign_entries,
   Pattern[/^[0-9]{3,4}$/] $autosign_mode = $puppet::params::autosign_mode,
   Optional[String] $autosign_content = $puppet::params::autosign_content,
   Optional[String] $autosign_source = $puppet::params::autosign_source,
-  Integer[0] $runinterval = $puppet::params::runinterval,
+  Variant[Integer[0],Pattern[/^\d+[smhdy]?$/]] $runinterval = $puppet::params::runinterval,
   Boolean $usecacheonfailure = $puppet::params::usecacheonfailure,
   Enum['cron', 'service', 'systemd.timer', 'none'] $runmode = $puppet::params::runmode,
   Array[Enum['cron', 'service', 'systemd.timer', 'none']] $unavailable_runmodes = $puppet::params::unavailable_runmodes,

manifests/params.pp

@@ -12,7 +12,7 @@
   $listen_to           = []
   $pluginsync          = true
   $splay               = false
-  $splaylimit          = '1800'
+  $splaylimit          = 1800
   $runinterval         = 1800
   $runmode             = 'service'
   $report              = true