Remove exporer submodule
Merge explorer with dashboard repo

This merge is based on this commit https://github.com/cbotsikas/webinos-dashboard-explorer/tree/12358acf35e027926e43b57bfabd0d67dff299fa
made on https://github.com/cbotsikas/webinos-dashboard-explorer/tree/cbotsikas-dashboardEnhance branch.

Initial source/repo by Paolo Vergori: https://github.com/paolovergori/webinos-dashboard-explorer
Update package's git location
Bump version to 0.1.2
Merge pull request #1 from cbotsikas/removeSubmodule

v0.1.2 Merge explorer module & update git location