Merge branch 'release/1.0-b3' into develop
minor fix of README.md
format fix of RELEASENOTES.md
add sample for handling errors
write user guide
fix version for next development cycle
write user guide
fix read me
write user guide
write user guide
add missing license header
update user guide
write user guide
allow sub class to customize spring context initialization
write user guide
minor fix for servlet destroying
fix version for release
fix readme and release notes
Merge branch 'release/1.0-b4'