more cleanup
more cleanup

- Pkg/Pkg REQUIRE --> REQUIRE
- don't link to blob/master (404)
- add title (tootlip) when there's an error in Travis' cell
- add title (tooltip) to REQUIRE & Travis headers
staticfloat/status.julialang.org,staticfloat/status.julialang.org,staticfloat/status.julialang.org,staticfloat/status.julialang.org