PURE-239: Creating the base API for tile based layers.
PURE-240: First commit creating a TMS layer plugin.
PURE-240: Adding documentation.
PURE-240: Adding documentation.
Merge branch 'master' into PURE-240

Conflicts:
	impl/src/main/java/org/geomajas/gwt2/client/map/ViewPortImpl.java
	impl/src/main/java/org/geomajas/gwt2/client/map/render/TileServiceImpl.java
	impl/src/main/java/org/geomajas/gwt2/client/map/render/dom/DomFixedScaleLayerRenderer.java
	impl/src/main/java/org/geomajas/gwt2/client/map/render/dom/DomTileLevelRenderer.java
	plugin/wms/server-extension/src/main/java/org/geomajas/plugin/wms/client/service/WmsFeatureServiceImpl.java
	plugin/wms/wms/src/main/java/org/geomajas/plugin/wms/client/layer/WmsLayerImpl.java
	plugin/wms/wms/src/main/java/org/geomajas/plugin/wms/client/service/WmsTileService.java
GWTII-48: Create a plugin for TMS layers - first commit
GWTII-48: Create a plugin for TMS layers
Merge branch 'GWTII-48' into GWTII-134_CanvasRenderer

Conflicts:
	api/src/main/java/org/geomajas/gwt2/client/map/ViewPort.java
	impl/src/main/java/org/geomajas/gwt2/client/map/MapPresenterImpl.java
	server-extension/src/main/java/org/geomajas/gwt2/client/map/layer/RasterServerLayerImpl.java