HTKLabeler fixing and improvement. Issue marytts-it/marytts#12
Fix for Issue #107: language resources loaded directly from the JARs, intonisedXML changed in prompt_allophones, htkDir is now the path of HTK binaries.
Merge remote-tracking branch 'refs/remotes/giulio/master' into 107
Solve gawk issue

gawk is not available on all systems; now there is a new AWK property, which can be configured to gawk, but defaults to the more common awk
Merge branch '107'

Closes #107
Merge remote-tracking branch 'maureen/master'