remove return when log find not open

[*] fixed an error when dap_stream_ch_pkt_write() was not able to detect that stream channel is NULL

added new function dap_fnmatch()

[-] Remove meaningless comment
[*] Fix logical error in log thread causing a deadlock
[*] Fix if statement causing dead code in sync logic
[*] Fix log message type

[*] Fix error message
[*] Fix goto statement
[*] Fix server pointer check

[*] Moved code that have nothing to do with dap_server_t to init/deinit
functions.
[+] Add error codes
[+] Add timeout to epoll_wait, so loop can be stopped
[-] Removed infinite loop when there is no server. It is responsibility of
an application that uses sdk to create such loops