Move lua check to separate macro
Move polarssl check to separate macro
Move botan checks to separate macro
Move crypto++ check to separate macro
Move unit test check to separate macro
Move verbose logging check to separate macro
Move remotebackend_http check to separate macro
Move ldap check to separate macro
Move mysql check to separate macro
Move postgresql check to separate macro
Move oracle checks to separate macro

Conflicts:
	configure.ac
Move opendbx check to separate macro
Move CDB check to separate macro
Move zeromq check to separate macro
Only use obsolete macro for older libtool
/usr/local has been the default prefix since 1994
Cleanup configure.ac
Merge pull request #1193 from rubenk/autoconf2

Autoconf cleanup patches, this time properly rebased