fixed tag and pending post tests, added category multiget helper to tag, post/unapproval/post version in progress still

test/factories/post.rb

@@ -0,0 +1,12 @@
+Factory.define(:post) do |f|
+  f.md5 "abcd"
+  f.uploader {|x| x.association(:user)}
+  f.uploader_ip_addr "127.0.0.1"
+  f.tag_string "tag1 tag2"
+  f.tag_count 2
+  f.tag_count_general 2
+  f.file_ext "jpg"
+  f.image_width 100
+  f.image_height 200
+  f.file_size 2000
+end