refactor: add feature for unsafe IO providers

...to easily be able to include them when running hale studio from
Eclipse.

io/features/eu.esdihumboldt.hale.io.feature.unsafe/.project

@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+	<name>eu.esdihumboldt.hale.io.feature.unsafe</name>
+	<comment></comment>
+	<projects>
+	</projects>
+	<buildSpec>
+		<buildCommand>
+			<name>org.eclipse.pde.FeatureBuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+	</buildSpec>
+	<natures>
+		<nature>org.eclipse.pde.FeatureNature</nature>
+	</natures>
+</projectDescription>

io/features/eu.esdihumboldt.hale.io.feature.unsafe/.settings/org.eclipse.core.resources.prefs

@@ -0,0 +1,2 @@
+eclipse.preferences.version=1
+encoding/<project>=UTF-8

io/features/eu.esdihumboldt.hale.io.feature.unsafe/build.properties

@@ -0,0 +1 @@
+bin.includes = feature.xml

io/features/eu.esdihumboldt.hale.io.feature.unsafe/feature.xml

@@ -0,0 +1,34 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<feature
+      id="eu.esdihumboldt.hale.io.feature.unsafe"
+      label="Unsafe IO Providers"
+      version="5.1.0.qualifier"
+      provider-name="wetransform GmbH">
+
+   <description url="http://www.example.com/description">
+      [Enter Feature Description here.]
+   </description>
+
+   <copyright url="http://www.example.com/copyright">
+      [Enter Copyright Description here.]
+   </copyright>
+
+   <license url="http://www.example.com/license">
+      [Enter License Description here.]
+   </license>
+
+   <plugin
+         id="eu.esdihumboldt.hale.io.instancebuilder"
+         download-size="0"
+         install-size="0"
+         version="0.0.0"
+         unpack="false"/>
+
+   <plugin
+         id="eu.esdihumboldt.hale.io.schemabuilder"
+         download-size="0"
+         install-size="0"
+         version="0.0.0"
+         unpack="false"/>
+
+</feature>