use two ways to obtain keywords
Merge pull request #2 from fangdiantong/xiaolai

add frequent-mode for meihua pipeline (-f)
modified way to get keywords
modified database's user name
modified some code to output keywords
Merge pull request #3 from fangdiantong/xiaolai

Update the frequent mode logic, fix the production settings.
FEATURE - prevent duplication by title
add a method to filter some unusefull values
fix some code and remove some useed code
FEATURE - db conn and title blank check
modified some code
Merge pull request #5 from fangdiantong/xiaolai

Fix the meihua news search result of wrong category issue.
Merge pull request #4 from fangdiantong/fengkan

FEATURE - prevent duplication by title
fix a bug ,a dictionary leak a key
Merge pull request #6 from fangdiantong/xiaolai

fix a bug ,a dictionary leak a key
add a method to filter uncorrelated date with city
modified method ,and delete a flag
Merge pull request #7 from fangdiantong/xiaolai

add a method to filter uncorrelated date with city
init
baidu-api.properties

init config file