IdentityLink null-check

Required when custom identity links are used.
SubProcess ENTITY_CREATED fix
remove @Test annotation from JUnit3 based tests
Merge pull request #8 from Activiti/master

Merge branch 'master' of https://github.com/Activiti/Activiti
ReflectUtil.loadClass() and custom classloader
jdbc.url for mssql is mistyped

the mistyping may mislead users to waste time on Microsoft SQLServer configuration, as I've found in the following forum thread:
http://forums.activiti.org/content/activiti-installation-oracle-or-mssql#comment-26278
for Microsoft SQLServer JDBC url, "databaseName=" is a must.
Update userguide to reflect new way of disabling demo data

via engine.properties rather than activiti-standalone-context.xml
Merge remote-tracking branch 'Activiti/master'
Adding model source and source-extra urls to model response
New job executor more tests + config options
Merge branch 'master' of https://github.com/Activiti/Activiti
Fix for job transactions
db configs
remove sysouts
added debug info
Add execution id is null check
Update ch03-Configuration.xml
Update ch03-Configuration.xml
Adding in Hazelcast pom.xml (was ignored by global .gitignore ... which is a 'feature' of Sourcetree ...)
Merge branch 'master' of https://github.com/Activiti/Activiti