Merge pull request #1 from fluffos/next-3.0

 	Merge pull request #173 from sunyc/master
Merge pull request #174 from sunyc/master

Fix shadow check for in callout with closure. (Stavros)
Small error in f_has_gmcp
Merge pull request #175 from thanos-k/next-3.0

Small error in f_has_gmcp
Merge pull request #177 from sunyc/master

More changes to alpha8
Merge pull request #178 from sunyc/master

Adding file and lineno in debug output.
Merge pull request #180 from sunyc/master

Adding skeleton support for multithreaded networking subsystem.
Import libtelnet @ https://github.com/seanmiddleditch/libtelnet
Extract telnet releated stuff to net/telnet.cc

Aslo extract outbuf to a seperate module.
Fix debugmalloc.
Add gitignore for sources
Add missing m4 libraries.
Update travis build script.
Update makefile for libtelnet.
Add a comment about -march/-mtune
Fix compiling error for libtelnet
Add -j 4 for travis build.