First commit of David McCreedy's EBCDIC and TPF changes.

docs/libcurl/Makefile.am

docs/libcurl/curl_easy_escape.3

docs/libcurl/curl_easy_unescape.3

docs/libcurl/curl_escape.3

docs/libcurl/curl_unescape.3

include/curl/curl.h

lib/config-tpf.h

lib/easy.c

lib/easyif.h

lib/escape.c

lib/escape.h

lib/file.c

lib/ftp.c

lib/ldap.c

lib/select.c

lib/select.h

lib/sendf.c

lib/setup.h

lib/ssluse.c

lib/strerror.c