Update to latest active_support

This works around the bizarre bundler/feedzirra/hashie problem where you
can't pass a Hashie::Mash to JSON.pretty_generate.
     https://github.com/bronson/whose-bug

Gemfile

@@ -1,10 +1,5 @@
 source 'http://rubygems.org'
 
-# some weird interaction between a bunch of gems...  Locking activesupport
-# seems to fix it.  If you can run 'JSON.pretty_generate(Hashie::Mash.new)'
-# on the vim-script console then this is not a problem.
-gem 'activesupport' ,'= 3.0.1'
-
 # the pdf magic in mimemagic 0.1.8 is far too loose (recognizes textfiles and zipfiles as pdf)
 # see comments on https://github.com/minad/mimemagic/commit/50078a4d52bb80f525784f6a4cb874fc7d2a03a0#commitcomment-280266
 gem 'mimemagic'   ,'= 0.1.7'

Gemfile.lock

@@ -1,18 +1,18 @@
 GIT
   remote: git://github.com/bronson/retryable.git
-  revision: bb5b5796cf9cf6e04161f39920888a9fc1c86ef1
+  revision: a21655fa16330382e54a9ddba583a566399ab3b1
   specs:
-    retryable (0.2.0)
+    retryable (0.9.0)
 
 GEM
   remote: http://rubygems.org/
   specs:
     abstract (1.0.0)
-    activesupport (3.0.1)
+    activesupport (3.0.8)
     builder (3.0.0)
     bzip2-ruby (0.2.7)
     crack (0.1.6)
-    curb (0.7.10)
+    curb (0.7.15)
     erubis (2.6.6)
       abstract (>= 1.0.0)
     feedzirra (0.0.24)
@@ -32,7 +32,7 @@ GEM
     json (1.4.6)
     loofah (1.0.0)
       nokogiri (>= 1.3.3)
-    mail (2.2.15)
+    mail (2.2.19)
       activesupport (>= 2.3.6)
       i18n (>= 0.4.0)
       mime-types (~> 1.16)
@@ -54,7 +54,6 @@ PLATFORMS
   ruby
 
 DEPENDENCIES
-  activesupport (= 3.0.1)
   bzip2-ruby (~> 0.2.6)
   erubis (~> 2.6.6)
   feedzirra (~> 0.0.24)

scraper

@@ -227,6 +227,27 @@ module Hpricot
 end
 
 
+# Recursively convert a Hashie::Mash back to a plain hash
+#def convert_hash arg
+    #if arg.kind_of? Hashie::Mash
+        #hash = arg.to_hash
+        #hash.each { |k,v| hash[k] = convert_hash v }
+        #hash
+    #else
+        #arg
+    #end
+#end
+
+
+# There's a bizarre bug when passing a Hashie::Mash to JSON.pretty_generate.
+# See https://github.com/bronson/whose-bug for an attempt to track it down.
+# This routine just converts to plain hashes before generating.
+def json_pretty arg
+    arg = arg.to_hash if arg.kind_of? Hashie::Mash
+    JSON.pretty_generate(arg) + "\n"
+end
+
+
 # When running normally, we can be in one of two states: rss and full.
 # rss is when the rss is synced and we can update only the scripts that have changed.
 # full is when we're just starting or we have lost the rss sync.
@@ -238,7 +259,7 @@ end
 
 
 def write_state state
-    File.open($state_file, 'w') { |f| f.write(JSON.pretty_generate(state)+"\n") }
+    File.open($state_file, 'w') { |f| f.write json_pretty(state) }
 end
 
 
@@ -722,7 +743,7 @@ def write_script script
     File.open(filename, 'w') do |f|
         farg = fix_encoding(script)
         # check_encoding(farg)
-        f.write(JSON.pretty_generate(farg)+"\n")
+        f.write json_pretty(farg)
     end
     filename
 end
@@ -1382,7 +1403,7 @@ def perform_download script_file
 
     # store the script file in the repo it creates
     File.open(File.join(repo.path, $git_script_file), 'w') { |f|
-        f.write JSON.pretty_generate(script) + "\n"
+        f.write json_pretty(script)
     }
 
     count = store_versions_in_repo(repo, script)