sometimes the server can start but curl cannot speak to it, and then we must
remember the server (in order to kill it properly) anyway.

Also, make sure to kill all servers on exit everywhere.

(problem identified by Dan F)
2. initial text mode fix for file checks, to allow better text file testing
on windows (with regard to line endings)
3. fixed to use the proper ftpserver pidfile to find pid

more places. First, CURL_HOME is a new environment variable that is used
instead of HOME if it is set, to point out where the default config file
lives. If there's no config file in the dir pointed out by one of the
environment variables, the Windows version will instead check the same
directory the executable curl is located in.

VS2005.

typecast the third argument in the macros to avoid compiler warnings.

.netrc, and when following a Location: the subsequent requests didn't properly
use the auth as found in the netrc file. Added test case 257 to verify my fix.

*/setup.h and */config-win32.h to build fine with VS2005 on x64.

"remaining: [time]" outputs to hint users about what to expect

#1187787 points out.