WL-3389 : Replace Sakai logo with WebLearn logo
WL-3389 : Add css needed for Joinable Site page

Revert skin/tool_base.css
Add new skin/neo-ox/tool_base.css
WL-3389 : undo add tool_base.css / override style in tool.css
Merge pull request #61 from ox-it/WL-3389

WL-3389 : Replace Sakai logo with WebLearn logo