Adding some tooltips to the buttons on the start page.
Adding some tooltips to the buttons on the start page.

NProfileAnalysisComputationalTool/npact,NProfileAnalysisComputationalTool/npact,victor-lin/npact,NProfileAnalysisComputationalTool/npact,NProfileAnalysisComputationalTool/npact,victor-lin/npact,NProfileAnalysisComputationalTool/npact,victor-lin/npact,victor-lin/npact,victor-lin/npact