ADD: midnitesnakes desfire, ultralight changes from Unstable branch.

ADD: Marshmellows fixes for the LF (demods) commands,  (LF SEACH)
ADD: Holimans changes with hash1_brute

FIXES:  minor fixes with some calls to "free" and redundant debug statement and code cleanup. removal of commented code.

client/cmdlf.h

@@ -23,5 +23,6 @@ int CmdLFSimBidir(const char *Cmd);
 int CmdLFSimManchester(const char *Cmd);
 int CmdLFSnoop(const char *Cmd);
 int CmdVchDemod(const char *Cmd);
+int CmdLFfind(const char *Cmd);
 
 #endif