promote, clone jira TS-1723 -> TS-1902
TS-1902 remove (lib)iconv dependency

We don't need it anymore, for one, and for the other it might help
us finally fix the Solaris 10 build

Conflicts:
	configure.ac

do not remove boost here ;)

test/review: igalic, zwoop, jpeach
backport: igalic