Merge pull request #5 from franklixuefei/master

language resetting
Separated subscribe event and help command
- added sanitize in eat_what
- fixed spell bug
- added findCommand into 'choose' waitRule
- added '吃啥' into command set
Merge pull request #4 from slovey528/master

Separated subscribe event and help command, new welcome page
updated README.md
Merge pull request #6 from iJuliet/master

updated README.md
update README.md
Merge pull request #7 from gyfelton/master

update README.md for make start
indent change, and reset the rule pattern to handle white spaces
add one more line for the welcome page tile to tell customer use [help]
Handled special hours and added three new food services
changed [Lan] to [Lang], and also some changes for command description
added webot as input for matchFoodByName/Location
Merge pull request #8 from slovey528/master

Added special hours, small changes for eat_what indent, one more line on welcome page title
added language settings