storm-1831 Incorporating Oz's changes to update libxml on linux to libxml2

autobuild.xml

@@ -1251,14 +1251,14 @@
           </map>
         </map>
       </map>
-      <key>libxml</key>
+      <key>libxml2</key>
       <map>
         <key>license</key>
         <string>mit</string>
         <key>license_file</key>
-        <string>LICENSES/libxml.txt</string>
+        <string>LICENSES/libxml2.txt</string>
         <key>name</key>
-        <string>libxml</string>
+        <string>libxml2</string>
         <key>platforms</key>
         <map>
           <key>linux</key>
@@ -1266,9 +1266,9 @@
             <key>archive</key>
             <map>
               <key>hash</key>
-              <string>6414642528f42dac1cd9a012c99cd748</string>
+              <string>fd34e3e818ad7dd26add1f05e6069c11</string>
               <key>url</key>
-              <string>http://s3.amazonaws.com/viewer-source-downloads/install_pkgs/libxml-2.6.24-linux-20101013.tar.bz2</string>
+              <string>http://automated-builds-secondlife-com.s3.amazonaws.com/hg/repo/3p-libxml/rev/282218/arch/Linux/installer/libxml2-2.7.8-linux-20131009.tar.bz2</string>
             </map>
             <key>name</key>
             <string>linux</string>

indra/cmake/GStreamer010Plugin.cmake

@@ -8,8 +8,8 @@ if (STANDALONE)
   pkg_check_modules(GSTREAMER010_PLUGINS_BASE REQUIRED gstreamer-plugins-base-0.10)
 elseif (LINUX)
   use_prebuilt_binary(gstreamer)
-  # possible libxml should have its own .cmake file instead
-  use_prebuilt_binary(libxml)
+  # possible libxml2 should have its own .cmake file instead
+  use_prebuilt_binary(libxml2)
   set(GSTREAMER010_FOUND ON FORCE BOOL)
   set(GSTREAMER010_PLUGINS_BASE_FOUND ON FORCE BOOL)
   set(GSTREAMER010_INCLUDE_DIRS

indra/cmake/LLPrimitive.cmake

@@ -6,7 +6,6 @@ include(Boost)
 
 use_prebuilt_binary(colladadom)
 use_prebuilt_binary(pcre)
-use_prebuilt_binary(libxml)
 
 set(LLPRIMITIVE_INCLUDE_DIRS
     ${LIBS_OPEN_DIR}/llprimitive
@@ -19,6 +18,16 @@ if (WINDOWS)
         optimized libcollada14dom22
         ${BOOST_SYSTEM_LIBRARIES}
         )
+elseif (LINUX)
+    use_prebuilt_binary(libxml2)
+    set(LLPRIMITIVE_LIBRARIES
+        llprimitive
+        collada14dom
+        minizip
+        xml2
+        pcrecpp
+        pcre
+        )
 else (WINDOWS)
     set(LLPRIMITIVE_LIBRARIES
         llprimitive