FS-6450 [unimrcp] Update library

[apr] Backport APR_RING_FOREACH and APR_RING_FOREACH_SAFE macros to APR for unimrcp compatibility.

 [unimrcp] configure.gnu - need full path, not relative path for library paths

 [unimrcp] added uni_revision.h - couldn't get it to autogenerate from build

 [mod_unimrcp] add better logging and error checking on module load.  Currently dumps core on MRCPv1 TTS attempt

 [mod_unimrcp] don't configure MRCPv1 session with a connection agent- causes crash

libs/unimrcp/data/result.xml

@@ -1,7 +1,7 @@
-<?xml version="1.0"?>
-<result> 
-  <interpretation grammar="session:request1@form-level.store" confidence="97">
-    <instance>one</instance>
-    <input mode="speech">one</input>
-  </interpretation>
+<?xml version="1.0"?>
+<result> 
+  <interpretation grammar="session:request1@form-level.store" confidence="0.97">
+    <instance>one</instance>
+    <input mode="speech">one</input>
+  </interpretation>
 </result>