e2e tests

- regexes delimited by /.../ instead of '...'
- empty search test
added (ignored) alert test for XSS
fixed alert expectations, removed q= expectations
challenge testability

 - added 'name' column
 - added spec for shared expectations
 - added test for reflected XSS
added UNION SQLI attack test
added e2e spec for score board
renamed file
trying to launch protractor tests in saucelabs
trying another sauce labs integration
trying another sauce labs integration II
kicking protractor on travis manually
kicking protractor on travis manually II
fixed reference
grouped challenge tests
aligned names for saucelab suites
wait for keys before hitting search
wait for keys before hitting search
trying to use firefox on saucelabs

chrome has issues with <space> key in sendKeys(...)
removed unnecessary .then() calls
spec descriptions improved