[#76419240] fix strange navbaar text margin
[#76419240] fix navbar strange spacing & remove dotted lines from icons
[#76419240] fix dev icon size in navabar
[#76419240] refactoring progress bar HTML&CSS
[#76419240] fix workbench nav spacing
[#76419240] fix editable text HTML&CSS
[#76419240] update grunt dependencies
Merge pull request #58 from gengo/76419240-cross-browser-testing

[#76419240] Cross-browser-testing