debuggers: import openocd-0.7.0

Initial check-in of openocd-0.7.0 as it can be downloaded from
http://sourceforge.net/projects/openocd/files/openocd/0.7.0/

Any modifications will follow.

Change-Id: I6949beaefd589e046395ea0cb80f4e1ab1654d55

debuggers/openocd/jimtcl/TODO

@@ -0,0 +1,26 @@
+CORE LANGUAGE FEATURES
+
+CORE COMMANDS
+
+- [onleave] command, executing something as soon as the current procedure
+  returns. With no arguments it returns the script set, with one appends
+  the onleave script. There should be a way to reset.
+
+  Currently we have [local] which can be used to delete procs on proc exit.
+  Also try/on/finally. Is [onleave] really needed?
+
+OTHER COMMANDS NOT IN TCL BUT THAT SHOULD BE IN JIM
+
+- Set commands: [lunion], [lintersect], and [ldifference]
+
+EXTENSIONS
+
+- Cryptography: hash functions, block ciphers, strim ciphers, PRNGs.
+- Tuplespace extension (http://wiki.tcl.tk/3947) (using sqlite as backend)
+- Zlib
+- Gdlib
+- CGI (interface compatible with ncgi, but possibly written in C for speed)
+
+REFERENCES SYSTEM
+
+- Unify ref/getref/setref/collect/finalize under an unique [ref] command.