xmlrpc: fixed optional parameter read handling
xmlrpc: don't generate internal xmlrpc reply for optional parameter read
mtree: return 404 if mtree is not found for rpc mtree.summary
mtree: store reload count and timestamp for trees

- print these details via mi/rpc summary command
- count is not stored when reload many tables from one table (cannot
  easily get reference to the previous loaded tree structure)
mtree: shift values for reload count and time from temporary structure
pkg/kamailio/deb: add Ubuntu trusty support
app_java: add libgcj14-dev support
pkg/kamailio/deb: use gcj-4.X-jdk when available

$JAVA_HOME/include/jni.h it's at the jdk package
pkg/kamailio/deb: add verbose output by QUIET variable