D-Net

added dependsOn in xml configuration

added dependsOn annotation on repoapi cache impl to avoid potential circular references

merged repoAPIs
new cached implementation for repoAPi that can be used an extra layer on top of dms, direct,simple ones

deleting an interface now requires type of datasource

interface compliance is set to unknown when updating a current interface

update/insert interface now return the interface rather than void

added new methods to add/update interface

changed repoApi to repoApiExtended

split repoApi methods to the current and a new extended one
added method to delete intefaces without checks

ehcache improvements:
-single repositories are now fetched from cache
-the repository is updated in the cache as soon as it is updated or insterted
-better exceptions handling while persisting/restoring cache