update square example
Merge remote-tracking branch 'upstream/master'
new buffer engine in compiler. this is not finished. you shall use wkc without arguments for client and server compiling. you also can use less or sass better.
add unit folder
	- unit.js: unit test script
	- unit.json: list of all unit tests
update buildPackage.sh
add a new example: include
add the new buffer system in the compiler
update command line parsing:
	-you can use —server —client in the same cmd
	-don’t specify —server and —client for both compilation
update output filename.
if —server and —client are true
	if -o is specify:
		name.server.js …
	else
		server.js
else
	if -o:
		name.js
	else
		server.js
Merge pull request #3 from jspdown/master

new stream buffer system