Merge pull request #2 from datanium/master

pull from upstream
data grid update
Merge branch 'master' of https://github.com/datanium/datanium.git
push
Merge branch 'master' of https://github.com/benitoro/datanium.git
dynamic datagrid with sample data finished
integrated with Nexus framework
awesome icon upgrade and UI improvement
toolbar update
add chart view
multi dimension chart
Merge pull request #5 from benitoro/master

dynamic datagrid sample finished
Merge pull request #6 from tonymouse/master

nodejs/express
Merge pull request #3 from datanium/master

pull from upstream
switch to nodejs
Merge pull request #7 from benitoro/master

switch to nodejs
remove pom
Merge pull request #8 from benitoro/master

remove pom
replace tree with button selection
load dummy json from back-end to front-end by Express