Fetcher: move all URL building in to `Fetcher`
Fetcher: move all URL building in to `Fetcher`

refs Programmming:#742

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