Release version 0.30-SNAPSHOT
Add multiple extensions to a user per builder
[cleanup] Javadoc updates
Moved to Jackson 2.2.3
Merge pull request #13 from wallner/Jackson2

Jackson2
Verify schema is set
Merge pull request #14 from wallner/OSNG-192

Verify schema is set
[enhancement] added transient urn field to Extension
[enhancement] added isFieldPresent accessor
Merge pull request #15 from tkrille/OSNG-192

Osng 192
[fix] Initialize fields to prevent NPE
Merge pull request #16 from wallner/initializeFields

[fix] Initialize fields to prevent NPE
[cleanup] Documented behaviour and implemented test.
[test] Added test for empty string in username
[test] Added missing test for bulk extension adding
[test] Added test to verify attributes are copied by the copy builder
Merge pull request #17 from osiam/testCleanup

Test cleanup. Looks good to me. Of course, I wrote it.
[test] Added negative test for initialization of fields
Merge pull request #18 from wallner/missedTest

[test] Added negative test for initialization of fields
[maven-release-plugin] prepare release scim-schema-0.30