Added mandatory to object field

Added property mandatory to ApiObjectField.
Output allowedvalues for object fields

Added output of allowedvalues for object fields in the documentation.
Merge branch 'master' of https://github.com/bjornlindstrom/jsondoc into bjornlindstrom-master
Merge branch 'bjornlindstrom-master'
removed jsondoc-core.jar from webapps static
refactoring of pull request and display format info for objects' fields on ui
Merge remote-tracking branch 'origin/master'
incremented version to 1.0.4-SNAPSHOT