assigning packages to keep IDEs happy and make error diagnostics easier in the stack trace

core/src/main/resources/hudson/tasks/Ant/config.groovy

@@ -21,6 +21,7 @@
  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  * THE SOFTWARE.
  */
+package hudson.tasks.Ant;
 f=namespace(lib.FormTagLib)
 
 if (!descriptor.installations) {

core/src/main/resources/hudson/tasks/Shell/config.groovy

@@ -21,7 +21,8 @@
  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  * THE SOFTWARE.
  */
-f=namespace("/lib/form")
+package hudson.tasks.Shell;
+f=namespace(lib.FormTagLib)
 
 f.entry(title:_("Command"),description:_("description",rootURL)) {
     f.textarea(name:"command",value:instance?.command,class:"fixed-width")

core/src/main/resources/hudson/tasks/Shell/global.groovy

@@ -21,7 +21,8 @@
  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  * THE SOFTWARE.
  */
-f=namespace("/lib/form")
+package hudson.tasks.Shell;
+f=namespace(lib.FormTagLib)
 
 f.section(title:_("Shell")) {
     f.entry(title:_("Shell executable"),help:"/help/shell/shellexe.html") {