Fix spelling mistake in supplimentalKidMenuItems
Implementation of onEventIf, a version of onEvent guarded by confirm().

H/t for this little innovation actually belongs to @shadowfiend. I'm
just taking credit for bringing it into the latest version of Lift. ;)
Issue #1453: LAFuture.collect crashes when futures are resolved out of order
Merge pull request #1453 from lift/uhl_issue_1453

LAFuture.collect crashes when futures are resolved out of order
Merge pull request #1450 from lift/msf_issue_1450

Implementation of conditional onEvent helper.
Null testing for headers. Closes #1452
Closes #1455. Finer grained sync
Fixed a real deadlock
Fix typo when constructing secured multi options

s/label/nonce/
A few CSS parser robustness improvements

  - Allow # character in URLs
  - Scan for url\s*( instead of just url to avoid matching identifiers
    that contain the text url
  - Return Failure instead of Empty when parse fails
Merge pull request #1459 from lift/pmb_cssparser

A few CSS parser robustness improvements
Merge pull request #1458 from lift/pmb_multiselectfix

Fix typo when constructing secured multi options
Tweak deprecated information for supplimentalKidMenuItems.
Merge pull request #1445 from lift/nafg/supplimental

Fix spelling mistake in supplimentalKidMenuItems.
Replaced many HashMap with ConcurrentHashMap
Fix an edge case for HTML5 -> ByteStream
Added the Markdown package
Issue #1400 - Add Joda Time support to MongoRecord
Issue #1349 - Add createdAt function to ObjectIdField
Issue #1411 - dirty_? flag in Record and Meta as in Mapper