Removing all information about specifying a host because GDBp doesn't actually suppor...

Removing all information about specifying a host because GDBp doesn't actually support anything but PHP->localhost.

* English.lproj/Connect.nib: Removing and unhooking the host text field
* Source/ConnectWindowController.h: Removing _host outlet
* Source/ConnectWindowController.m:
([ConnectWindowController connect:]): Remove the "Host" parameter from the DebuggerConnection init method
* Source/DebuggerConnection.h: Removing the _host ivar and removing the "host" parameter from the init method as well as the host getter method
* Source/DebuggerConnection.m:
([DebuggerConnection initWithHost:port:session:]): Renamed to [DebuggerConnection initWithPort:session:]
([DebuggerConnection dealloc]): Removed _host ivar and so it no longer needs to be release'd
([DebuggerConnection host]): Removed
* Source/DebuggerWindowController.m:
([DebuggerWindowController initWithConnection:]): No longer set the host in the window title