fix source directives for all the plugins; remove javac.source/target versions < 1.7; remove plugin.version as this is set in manifest; update copyrights

Signed-off-by: nickboldt <nboldt@redhat.com>
diff --git a/plugins/docs/org.eclipse.datatools.oda.cshelp/build.properties b/plugins/docs/org.eclipse.datatools.oda.cshelp/build.properties
index 5917388..5f9bbc7 100644
--- a/plugins/docs/org.eclipse.datatools.oda.cshelp/build.properties
+++ b/plugins/docs/org.eclipse.datatools.oda.cshelp/build.properties
@@ -1,3 +1,7 @@
+source.. = src/
+output.. = bin/
+src.includes = *
+src.excludes = src
 bin.includes = plugin.properties,\
                plugin.xml,\
                contexts.xml,\
@@ -7,7 +11,3 @@
                about.ini,\
                about.mappings,\
                about.properties
-source.. = src/
-output.. = bin/
-src.includes = *
-src.excludes = src