doc.
doc.
compile OK.
better sync sniffing.
Merged ytkyaw/ydn-db into master
Prevent an error when including the library and running on ffox < 11.

This patch does not make the library work with ffox < 11 but prevent an
error when running code including this library on a ffox < 11.
Merged in mrande/ydn-db/fix-old-ffox (pull request #10)

Prevent an error when including the library and running on ffox < 11.
sync api.
Merge remote-tracking branch 'origin/master'
release weak function ref in transaction
better error message.
documentation.
remove sync option class
Merged ytkyaw/ydn-db into master
Old browser stuff againt : Fix IDBKeyRange.upper == null.

In chrome <= 23 IDBKeyRange.upper and IDBKeyRange.lower default value is
null (in chrome >= 24 the default value is undefined). This patch
replace goog.isDef(keyrange.[upper | lower]) by goog.isDefAndNotNull.
Merged in mrande/ydn-db/fix-websql-chrome-23 (pull request #11)

Old browser stuff againt : Fix IDBKeyRange.upper == null.
sync on s3 OK.
Merge remote-tracking branch 'origin/master'
S3 id fix.
strict-overflow-serial thread tested.