auto add subdirectories in app
Merge pull request #9 from thinxer/master

Test before add flags for c++11
Merge pull request #12 from thinxer/subdir

auto add subdirectories in app
Shortest Path demo
Adding template
Clear useless files
Merge pull request #15 from kimiyoung/master
clean api
xcode file
simple signal
Merge pull request #16 from pondering/master
clean code naming & add aggregator machanism
rename interface file
Merge pull request #18 from pondering/master

Clean some class naming and add aggregator
initializer implemented
Merge pull request #19 from neozhangthe1/master

Implemeted Initializer
init mmap graph
create a delegate engine
remove tab and reorganize engine folder
folder path