don\'t hard code localhost
replace host in config file
inline sed replace that is portable across GNU linux and Mac OSX
enable passing through a db hostname with port, socket, etc
default host to localhost
use | as sed separator
ternary -> if else
remove :
ioption fixes
fix travis.yml
Merge pull request #576 from eugeneware/fix_core_init_tests

don't hard code localhost in wp core init-tests