Base UI: Optimum delay for wait_until_element func and some comment fixes
login UI: We now have Default location and exception fixes
navigation UI: Use wait_until_element to overcome timing issues
Fix tests UI: env accepts only alphanumeric & skip the bugs
Fix travis and add fixed org tests related to environments
Remove the unwanted inheritance
subnet & location tests UI: Raised bugs and added tests to be skiped
Merge pull request #1100 from kbidarkar/fix-automation-tests2

Miscellaneous fixes for various automation UI failures.