Cleaned up configure.ac and Makefile.am
Removed libresov check for freebsd.
Removed some unnecessary lines from configure.ac
Merge branch 'master' of https://github.com/strophe/libstrophe

Conflicts:
	configure.ac
Merge branch 'master' of https://github.com/strophe/libstrophe
Merge branch 'master' of https://github.com/strophe/libstrophe
Removed version change
Fixed readability issues
Fixed expat check failure case
Merge branch 'master' of https://github.com/strophe/libstrophe

Conflicts:
	configure.ac
autotools: check for ssl.h if pkg-config failed

Some distros provide openssl libraries without openssl.pc