Some small fixes in lex code.

Various small fixes
Add command protocol to websocket
Add cross compiling with 'TARGET='
Fix some issues with ARM

Converted common libraries to new system

Remove old status cgi binary
Use status cod in websocket for status handling

Also fixes setting of interval and name by j2000 tracker. (was a bug in
select loop of trace_proxy)

trace_proxy now supports INTERVAL_TYPE_CHANGED clients and clients with a bigger interval than the source.

Some optimizations and some bugfixes and less leaking

Timestamps are still wrong

Ported trace_list to new protocol and interface
Started port of trace_dump

This "common" component provides the "utils", "trace", and two common
include files: dt_port_numbers and dynarg