Optional support
Upgrade to spring 4.1
Add java 8 Optional support
We have to run this on java 8 only because of the optional unit test
Source reformat
Upgrade libraries. Remove clover. We never used it.
Update readme
Source reformat
Source reformat
Add support for Optional return values
Update description
Add more unit tests for Optional support
Add more Optional tests
Add Optional support for named parameter methods. Add unit tests.
Add more unit tests for Optional support
Add support for nonstrict named parameter methods. 
Such a method must have exactly one "client" parameter of type Map.
Fix compiler error. 
Worked with eclipses compiler but not with oracles
Source reformat
Add more unit tests for Optional support
Support for the metadata feature introduced in extjs 5.0.2