Upgrade pom scijava, remove unused version ovverride. Adds a thing to write commands documentation.

Author: NicoKiaru

pom.xml

@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>org.scijava</groupId>
 		<artifactId>pom-scijava</artifactId>
-		<version>39.0.0</version>
+		<version>40.0.0</version>
 		<relativePath />
 	</parent>
 
@@ -121,9 +121,7 @@
 
 		<!-- package version below are not present in the parent pom. A version is needed -->
 		<bigdataviewer-selector.version>0.2.7</bigdataviewer-selector.version>
-		<bigvolumeviewer.version>0.3.4</bigvolumeviewer.version>
 		<reflections.version>0.10.2</reflections.version> <!-- for test only -->
-		<!--<spim_data.version>2.3.4</spim_data.version>-->
 
 		<!-- package version below are determined by the parent pom but need to be upgraded or temporarily fixed for bugs -->
 
@@ -134,7 +132,6 @@
 		<dependency>
 			<groupId>sc.fiji</groupId>
 			<artifactId>bigdataviewer-core</artifactId>
-			<version>${bigdataviewer-core.version}</version>
 		</dependency>
 
 		<dependency>
@@ -161,7 +158,6 @@
 		<dependency>
 			<groupId>sc.fiji</groupId>
 			<artifactId>bigvolumeviewer</artifactId>
-			<version>${bigvolumeviewer.version}</version>
 		</dependency>
 
 		<dependency>
@@ -172,19 +168,16 @@
 		<dependency>
 			<groupId>net.imglib2</groupId>
 			<artifactId>imglib2-realtransform</artifactId>
-			<version>${imglib2-realtransform.version}</version>
 		</dependency>
 
 		<dependency>
 			<groupId>sc.fiji</groupId>
 			<artifactId>spim_data</artifactId>
-			<version>${spim_data.version}</version>
 		</dependency>
 
 		<dependency>
 			<groupId>sc.fiji</groupId>
 			<artifactId>bigwarp_fiji</artifactId>
-			<version>${bigwarp_fiji.version}</version>
 		</dependency>
 
 		<!-- Test dependencies -->