Minor version upgrades.
TimeZone support.
Some cleanup before merge.
Merge pull request #64 from analytically/master

TimeZone support
Bug fix on parsing Option[Int] and Option[Float]
Added a unit test for it.
Merge pull request #66 from alexandreagular/bug-fix-option-int-float

Bug fix on parsing Option[Int] and Option[Float]
fixed some tests and deps
merged master
made tests pass with Scala 2.10
Modify BigDecimalPrecisionTest to work around SI-6699

It appears that because of SI-6699, the previously used comparisons no longer work.
To work around this, use doubles to check the 16dp serializations.
enabled gpg plugin again
Merge pull request #69 from kodemaniak/scala-2.10

Scala 2.10
Merge pull request #68 from davidillsley/salat_2.10.RC3

Modify BigDecimalPrecisionTest to work around SI-6699
Disable sbt-updates plugin until its unfortunate conflict with sbt-ppg plugin is fixed.
Update json4s dependency
Fix compile errors, mostly due to disappearance of org.scala_tools from transitive deps after casbah upgrade
Fix DateTimeZoneSpec by adding an explicit extractor that serializes a DateTimeZone as its ID.
removed SNAPSHOT from org.mongoidb:casbash:2.5.0 (the SNAPSHOT
disappearied from oss repos)