JEXL uses 'returned' instead of 'return'

Signed-off-by: Sebastian Hoß <mail@shoss.de>
JavaScript uses 'returned' instead of 'return'

Signed-off-by: Sebastian Hoß <mail@shoss.de>
Fixed company contracts

Signed-off-by: Sebastian Hoß <mail@shoss.de>
Rename field to better reflect its usage

Signed-off-by: Sebastian Hoß <mail@shoss.de>
There is only a single constructor

Signed-off-by: Sebastian Hoß <mail@shoss.de>
Removed redundant parameter

Signed-off-by: Sebastian Hoß <mail@shoss.de>
Removed yet another parameter

Signed-off-by: Sebastian Hoß <mail@shoss.de>
Renamed Spring-SpEL example

Signed-off-by: Sebastian Hoß <mail@shoss.de>
Renamed Spring-EL to SpEL

Signed-off-by: Sebastian Hoß <mail@shoss.de>
Renamed Spring -> SpringSpEL

Signed-off-by: Sebastian Hoß <mail@shoss.de>
Added Spring-JEXL example

Signed-off-by: Sebastian Hoß <mail@shoss.de>
Updated JavaDoc

Signed-off-by: Sebastian Hoß <mail@shoss.de>
Updated JavaDocs

Signed-off-by: Sebastian Hoß <mail@shoss.de>
Added Spring-JUEL example

Signed-off-by: Sebastian Hoß <mail@shoss.de>
Added Spring-JavaScript implementation

Signed-off-by: Sebastian Hoß <mail@shoss.de>
Added Spring-MVEL example

Signed-off-by: Sebastian Hoß <mail@shoss.de>
Added Spring-OGNL implementation

Signed-off-by: Sebastian Hoß <mail@shoss.de>
Added Spring-UEL implementation

Signed-off-by: Sebastian Hoß <mail@shoss.de>
Added missing Spring examples

Signed-off-by: Sebastian Hoß <mail@shoss.de>
Added missing license header

Signed-off-by: Sebastian Hoß <mail@shoss.de>