Revert 14514d7 as well

Another one snuck in there, see rapid7#4175

Revert "update gemspec for metasploit-credential"

This reverts commit 14514d7, reversing
changes made to 6653d5e.

Author: Tod Beardsley

Gemfile.lock

@@ -22,7 +22,7 @@ PATH
       tzinfo
     metasploit-framework-db (4.10.1.pre.dev)
       activerecord (< 4.0.0)
-      metasploit-credential (~> 0.13.0)
+      metasploit-credential (~> 0.12.0)
       metasploit-framework (= 4.10.1.pre.dev)
       metasploit_data_models (~> 0.21.1)
       pg (>= 0.11)
@@ -112,7 +112,7 @@ GEM
     metasploit-concern (0.3.0)
       activesupport (~> 3.0, >= 3.0.0)
       railties (< 4.0.0)
-    metasploit-credential (0.13.1)
+    metasploit-credential (0.12.0)
       metasploit-concern (~> 0.3.0)
       metasploit-model (~> 0.28.0)
       metasploit_data_models (~> 0.21.0)
@@ -135,12 +135,12 @@ GEM
     meterpreter_bins (0.0.10)
     method_source (0.8.2)
     mime-types (1.25.1)
-    mini_portile (0.6.1)
+    mini_portile (0.6.0)
     msgpack (0.5.9)
     multi_json (1.0.4)
     network_interface (0.0.1)
-    nokogiri (1.6.4.1)
-      mini_portile (~> 0.6.0)
+    nokogiri (1.6.3.1)
+      mini_portile (= 0.6.0)
     packetfu (1.1.9)
     pcaprub (0.11.3)
     pg (0.17.1)
@@ -175,7 +175,7 @@ GEM
     rb-readline (0.5.1)
     rdoc (3.12.2)
       json (~> 1.4)
-    recog (1.0.5)
+    recog (1.0.0)
       nokogiri
     redcarpet (3.1.2)
     rkelly-remix (0.0.6)
@@ -207,7 +207,7 @@ GEM
       simplecov-html (~> 0.5.3)
     simplecov-html (0.5.3)
     slop (3.6.0)
-    sprockets (2.2.3)
+    sprockets (2.2.2)
       hike (~> 1.2)
       multi_json (~> 1.0)
       rack (~> 1.0)
@@ -219,7 +219,7 @@ GEM
     treetop (1.4.15)
       polyglot
       polyglot (>= 0.3.1)
-    tzinfo (0.3.42)
+    tzinfo (0.3.41)
     xpath (2.0.0)
       nokogiri (~> 1.3)
     yard (0.8.7.4)

metasploit-framework-db.gemspec

@@ -31,7 +31,7 @@ Gem::Specification.new do |spec|
 
   spec.add_runtime_dependency 'activerecord', rails_version_constraint
   # Metasploit::Credential database models
-  spec.add_runtime_dependency 'metasploit-credential', '~> 0.13.0'
+  spec.add_runtime_dependency 'metasploit-credential', '~> 0.12.0'
   # Database models shared between framework and Pro.
   spec.add_runtime_dependency 'metasploit_data_models', '~> 0.21.1'
   # depend on metasploit-framewrok as the optional gems are useless with the actual code