Merge pull request #15 from benitoro/master

post request
Merge pull request #16 from benitoro/master

search from mongodb finished
Merge pull request #17 from benitoro/master

add removing func for element panel
Merge pull request #18 from benitoro/master

sample mongo scripts
Merge pull request #19 from benitoro/master

data type fix. number: $sum, percentage: $avg
Merge pull request #20 from benitoro/master

add stack chart
Merge pull request #21 from benitoro/master

gird cannot generate bug fix
Merge pull request #22 from benitoro/master

chart mode switch bug fix
Merge pull request #23 from benitoro/master

chart legend label fix
Merge pull request #24 from benitoro/master

grid/chart refresh refactor; remove redundant css
Merge pull request #25 from benitoro/master

add line chart
Merge pull request #26 from benitoro/master

check in data loading script
Create Convert.win.pl
Merge pull request #27 from yhp1985dud/master

Create Convert.win.pl
Merge pull request #6 from datanium/master

pull from upstream