Add support for OmniOS (OpenSolaris derivative)

Author: ptrrkssn

lib/facter/facts/solaris/os/name.rb

@@ -9,7 +9,8 @@ class Name
 
         def call_the_resolver
           value = Facter::Resolvers::Uname.resolve(:kernelname)
-          fact_value = value == 'SunOS' ? 'Solaris' : value
+          version = Facter::Resolvers::Uname.resolve(:kernelversion)
+          fact_value = value == 'SunOS' ? (version =~ /^omnios-/ ? 'OmniOS' : 'Solaris') : value
 
           [Facter::ResolvedFact.new(FACT_NAME, fact_value), Facter::ResolvedFact.new(ALIASES, fact_value, :legacy)]
         end

lib/facter/resolvers/solaris/os_release.rb

@@ -7,7 +7,8 @@ class OsRelease < BaseResolver
         init_resolver
 
         OS_VERSION_REGEX_PATTERNS = ['Solaris \d+ \d+/\d+ s(\d+)[sx]?_u(\d+)wos_',
-                                     'Solaris (\d+)[.](\d+)', 'Solaris (\d+)'].freeze
+                                     'Solaris (\d+)[.](\d+)', 'Solaris (\d+)',
+                                     'OmniOS v(\d+) (r\d+)'].freeze
 
         class << self
           private