build hook system into mojito
remove perf markers, and replace with hooks.
build hook system into mojito
remove perf markers, and replace with hooks.
changed to null context for clients.
updated documents.
more stuff.
Merge branch 'develop' of git://github.com/yahoo/mojito into sweetandsour2

Conflicts:
	lib/app/autoload/store.server.js
add hook to template renderiing.
added some missing hook dependencys.
added stub to test harnas
some changes recommended by Caridy
Plus fixes for end hook points
added enableHookGroup to test stubs
cliend needs to use global_hooks_ctx too.
add more unit tests for help command
Fixed typos and incorrect link.
Merge pull request #924 from lzhan/addunittest

add more unit tests for help command
Fixed a link because YDN won't let users jump to certain hyperlinks.
Merge pull request #874 from bthaeler/sweetandsour2

Adding support for junebug:

- This is a new hook system that replaces the embedded perf code. This will be the foundation for a new debugger interface.