Move SetPassword and SetUser implementations to wxProtocol to avoid code redundancy
Make const-correct various getters
Reorganize wxFTP docs
Move wxStringToStringHashMap to hashmap.h and document its existance
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@58137 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775