removed packet logging functionality (hci_dump, hexdump) from hci transport implementations and use hci_dump in hci.c instead

git-svn-id: http://btstack.googlecode.com/svn/trunk@3024 1a0a8af8-31b5-11de-8e0c-53a27eea117e
added embedded_get_time_ms(void)

git-svn-id: http://btstack.googlecode.com/svn/trunk@3025 1a0a8af8-31b5-11de-8e0c-53a27eea117e
fix use of RTS

git-svn-id: http://btstack.googlecode.com/svn/trunk@3026 1a0a8af8-31b5-11de-8e0c-53a27eea117e
fix log_* for embedded hci_dump

git-svn-id: http://btstack.googlecode.com/svn/trunk@3027 1a0a8af8-31b5-11de-8e0c-53a27eea117e
catch execption in time parsing, relax hexdump parsing

git-svn-id: http://btstack.googlecode.com/svn/trunk@3028 1a0a8af8-31b5-11de-8e0c-53a27eea117e