Adds Travis CI configuration.
Adds build status image to README.
Removes AWV SBT plugin.
Adds MongoDB services to .travis.yml.
AT-9: no fixed pagination anymore
JdbcFeedStore implementation and test on H2 db
MongoFeedStore temporarily disabled
AT-9: reverse first/last, next/previous link rel concepts
* Translate comments to English
* replace nextFeed with nextPage
play-server
JAXB support to serialize to/deserialize from both XML and JSON
AT-9: no fixed pagination anymore
JdbcFeedStore implementation and test on H2 db
MongoFeedStore temporarily disabled
AT-9: reverse first/last, next/previous link rel concepts
play-server
Rebased with upstream
add sample code  serializing using Play json and Jaxb of scala case class
remove dependency on Lombok in JFeed and related, remove AtemFeedTo (use JFeed instead), implement MongoFeedStore + add id/updated fields to Entry/JEntry
MongoFeedStore test + introductie AbstractFeedStore voor feedstores met sequenties + support voor sequences met gaten
fixes after rebase
Merge branch 'jaxb' of https://github.com/kwark/atomium into jaxb

Conflicts:
	modules/client-java/src/main/scala/be/vlaanderen/awv/atom/java/EntryConsumerWrapper.scala
	modules/client-java/src/test/java/be/vlaanderen/awv/atom/java/FeedProcessorTest.java
	modules/client-java/src/test/java/be/vlaanderen/awv/atom/java/FeedProcessorWithParsingTest.java
	modules/client-java/src/test/java/be/vlaanderen/awv/atom/java/JacksonParseAtomFeedTest.java
	modules/client-scala/src/main/scala/be/vlaanderen/awv/atom/FeedProcessor.scala
	modules/client-scala/src/main/scala/be/vlaanderen/awv/atom/providers/PlayWsBlockingFeedProvider.scala
	modules/client-scala/src/test/scala/ClientScalaSample.scala
	modules/format/src/main/scala/be/vlaanderen/awv/atom/Content.scala
	modules/format/src/main/scala/be/vlaanderen/awv/atom/Feed.scala
	modules/format/src/main/scala/be/vlaanderen/awv/atom/JFeedConverters.scala
	modules/server/src/main/scala/be/vlaanderen/awv/atom/FeedService.scala
	modules/server/src/main/scala/be/vlaanderen/awv/atom/FeedStore.scala
	project/plugins.sbt