[OLINGO-466] First sample draft
[OLINGO-444] improved server content negotiation

Change-Id: I30f53dc05eec9ff669a029f1382a37dd220abe94

Signed-off-by: Michael Bolz <michael.bolz@sap.com>
[OLINGO-468] Minor code clean up
[OLINGO-444] error from tech. service for property values not found

Change-Id: Id886548287a4e622cc0157c19343b2decf228cae

Signed-off-by: Michael Bolz <michael.bolz@sap.com>
error at property path after collection in resource path

Change-Id: I9213c0cc65a082ab7b4feb5a959260e39b56fb64

Signed-off-by: Michael Bolz <michael.bolz@sap.com>
better key validation in server URI parsing

Change-Id: Iab5d223e518af369dad046b4ea499e61bfaab7d0

Signed-off-by: Michael Bolz <michael.bolz@sap.com>
[OLINGO-468] better error message for wrong keys in server URI parser

Change-Id: I8add3bbb0fc53670e85a86f59f1e7151214fd88c

Signed-off-by: Michael Bolz <michael.bolz@sap.com>
correct context URL for server property responses

Change-Id: Ie262212ab1ec1a0b9067770ff3b13eb14f216e53

Signed-off-by: Michael Bolz <michael.bolz@sap.com>
[OLINGO-450] Merge branch 'master' into OLINGO-450_MergeAndRefactor

Conflicts:
	lib/server-core/src/main/java/org/apache/olingo/server/core/serializer/ODataXmlSerializerImpl.java
	lib/server-core/src/main/java/org/apache/olingo/server/core/serializer/json/ODataJsonSerializer.java
	lib/server-core/src/main/java/org/apache/olingo/server/core/uri/parser/UriParseTreeVisitor.java
	lib/server-tecsvc/src/main/java/org/apache/olingo/server/tecsvc/processor/TechnicalProcessor.java