Tom Zoerner

- added documentation for vbi_capture_proxy_new()

- added new macro VBIPROXY_ENDIAN_MISMATCH to replace use of swap32()

Added declaration of vbi_capture_proxy_new() in new module io-proxy.c

- use new function vbi_proxy_msg_resolve_symlinks() to get unique device path,

Added rule to query for getaddrinfo, required by proxy-msg.c

- use vbi_capture_pull_sliced() instead of vbi_capture_read_sliced()

- removed swap32 inline function from proxyd.c and io-proxy.c: use new macro

Reduced default debug level of proxy_msg_trace from 1 to 0