clean project structure. add external lib sources
Merge pull request #22 from mrstrlc-yipeng/clean

clean project structure. add external lib sources
list3 index operation in database

add db support for computing trust index score. change launcher icon.
clean logic structure
Merge pull request #23 from mrstrlc-yipeng/clean

Clean
list2 modified

matching algo bug fixed;
divide merge() into 5 methods seperated;