icon style
correction determine the width and padding for buttons
update image name
Merge pull request #71 from codenvy/IDEX-329_new

Idex 329 new
IDEX-448: fix file tabs view.
Merge with master.
Websocket for run
fix roles workspace/developer
Use current SNAPSHOT of platform API
add shadow for tree text
Merge pull request #72 from codenvy/IDEX_399

add shadow for tree text