add bean-like interface to DatabaseProvider
Add schema @Path annotation
Add schema @Schema annotation
[pom] remove redundant versions of managed dependencies; add testing and logging to sorcer-api
fix service bean init method error handling
move classpath protocol handler to sos-util
schema: fix @Path, add SchemaEntry class
enhance proxy error handling
lup cmd: print interfaces implemented by the proxy
dbp-api: make IDatabaseProvider a Remote interface
fix sos protocol handler auto (package) registration
add context schema for ex0
add @Description and @Mark, annotations for the editor
create handler class for domain context model
add javadocs, annotation metadata
Merge branch 'schema' into v1.0-M3

Conflicts:
	configs/sos-providers/dbp.config
	sos-providers/dbp/dbp-api/src/main/java/sorcer/core/provider/dbp/IDatabaseProvider.java
	sos-providers/dbp/dbp-prv/src/main/java/sorcer/core/provider/dbp/DatabaseProvider.java
	sos-providers/dbp/dbp-prv/src/main/resources/config/dbp.config
	sos-providers/dbp/dbp-prv/src/main/resources/config/services.config
	sos/sorcer-api/src/main/java/sorcer/core/proxy/ProviderProxy.java