Merge pull request #1 from tangsomnang/master

Merge for cellstyle updates
[maven-release-plugin] prepare release parent-11
[maven-release-plugin] prepare for next development iteration
OP more advanced Importer and jUnit test
OP extracting with pages within offset..limit
OP page size 50 when exporting entities
Added a GAE utility class for running code in a fixed namespace
Merge branch 'master' of https://github.com/sosandstrom/open-server
Fixed an issues in the spring xml config file.
Also added tracking code and email as attribute (along the domain object).
OP bugfix bugfix schema
OP adding BlobstoreTasking to io-core
OP use mardao-2.1.8
OP use mardao-2.1.8
[maven-release-plugin] prepare release parent-12
[maven-release-plugin] prepare for next development iteration
OP handling absolute limits in Exporter
[maven-release-plugin] prepare release parent-13
[maven-release-plugin] prepare for next development iteration
OP revising location for update(T)
OP changing default update() to 204 No Content