jinterface: fix finding cookie file on windows

Jinterface uses System.getProperty("user.home") to locate the user's home
and the cookie file. On Windows, the result might be different than the
value used by Erlang, which looks first to the HOMEDRIVE and HOMEPATH
variables.

The fix makes jinterface use the same logic.
Merge branch 'dg/win_icon' into master-pu
Merge branch 'sk/odbc64' into master-pu
Merge branch 'sal/ftp' into master-pu
Merge branch 'as/tls-psk-srp-suites' into master-pu
Merge branch 'rc/break-out-asserts' into master-pu
Merge branch 'nk/jinterface_dont_compress_if_size_increased' into master-pu
Merge branch 'bk/slave_options' into master-pu
Merge branch 'vd/tuple_constructor_bug' into master-pu
Merge branch 'vd/jinterface_windows_cookie' into master-pu