added support for next_sibling and previous_sibling.

I've got tests for these but need to branch watirspec before adding them in.
ignore ide files
accidentally checked in some experimental changes. reverting
add test cases for next/previous sibling
get upstream changes
Merge remote-tracking branch 'upstream/master'

Conflicts:
	lib/watir-webdriver/version.rb
add deploy target
fix targets
rename build output directory in deploy target
strip all requests for text
bump version
Implement perf improvements for regex :text matches
bump version
generalize the hack and account for additional arguments that may be along for the ride
correct typo
bump version
silly refactor  mistake - return the element if we find it the first time
bump version
revert workaround. Watir.always_locate=false corrects the issue
bump version