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
make parse_name a private function, since it's not used in CommandWithUpgrade

also, each implementation returns different things
plugin: parse_name() only needs the first arg and only needs to return
the filename.

It accepted the whole arguments initially because it used to check if
the slug was missing. This is handled by the synopsis validator now,
beforehand.
theme: parse_name() only needs the first argument
Merge branch 'master' into force-install