Fixing dropup positioning and adding dropup to docs#15267

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kellygrape wants to merge 2 commits intotwbs:masterfrom kellygrape:issue_15142

+37-2

Commits on Dec 2, 2014

Add dropup variation to docs in dropdown section.
kellygrape
committed
Add position: relative to drop to resolve issue with incorrectly placed drop.
kellygrape
committed