Prepare for 2.4.4 release
README.rdoc: adapt links
Support Ruby 2.1 in bindings documentation
ws_xml_make_default_prefix() can overflow buf parameter via sprintf()
wsmc_create_request() potential buf[20] overflow via WSMAN_ACTION_RENEW
LocalSubscriptionOpUpdate() unchecked fopen()
wsman-subscription-repository.c - apply coding style
Incorrect order of sanity guards in wsman_get_fault_status_from_doc()
fprintf(stderr ...) -> error(...)
Unchecked memory allocation in wsman_init_plugins(), p->ifc

return NULL if alloc fails, handle NULL return in callers
Unchecked memory allocation in mem_double(), newptr
Unchecked memory allocation in dictionary_new(), d, d->val, d->key, d->hash

iniparser_new might return NULL, handle this case in redirect.c
Unchecked memory allocation in u_error_new(), *error
Remove (unsafe) debug() call from sighup_handler
Prepare 2.4.4
Add rcopenwsman symlink