- removed unused fields

- suppressed/fixed several compiler warnings

core/src/main/java/hudson/model/AbstractProject.java

@@ -28,7 +28,6 @@
 package hudson.model;
 
 import hudson.Functions;
-import java.util.regex.Pattern;
 import antlr.ANTLRException;
 import hudson.AbortException;
 import hudson.CopyOnWrite;
@@ -124,6 +123,7 @@ import static javax.servlet.http.HttpServletResponse.*;
  * @author Kohsuke Kawaguchi
  * @see AbstractBuild
  */
+@SuppressWarnings("rawtypes")
 public abstract class AbstractProject<P extends AbstractProject<P,R>,R extends AbstractBuild<P,R>> extends Job<P,R> implements BuildableItem {
 
     /**
@@ -780,6 +780,7 @@ public abstract class AbstractProject<P extends AbstractProject<P,R>,R extends A
      *      For the convenience of the caller, this collection can contain null, and those will be silently ignored.
      * @since 1.383
      */
+    @SuppressWarnings("unchecked")
     public Future<R> scheduleBuild2(int quietPeriod, Cause c, Collection<? extends Action> actions) {
         if (!isBuildable())
             return null;
@@ -795,7 +796,7 @@ public abstract class AbstractProject<P extends AbstractProject<P,R>,R extends A
 
         WaitingItem i = Jenkins.getInstance().getQueue().schedule(this, quietPeriod, queueActions);
         if(i!=null)
-            return (Future)i.getFuture();
+            return (Future<R>)i.getFuture();
         return null;
     }
 
@@ -829,6 +830,7 @@ public abstract class AbstractProject<P extends AbstractProject<P,R>,R extends A
      * Production code shouldn't be using this, but for tests this is very convenient, so this isn't marked
      * as deprecated.
      */
+    @SuppressWarnings("deprecation")
     public Future<R> scheduleBuild2(int quietPeriod) {
         return scheduleBuild2(quietPeriod, new LegacyCodeCause());
     }
@@ -1419,6 +1421,7 @@ public abstract class AbstractProject<P extends AbstractProject<P,R>,R extends A
         }
     }
 
+    @SuppressWarnings("unchecked")
     public synchronized Map<TriggerDescriptor,Trigger> getTriggers() {
         return (Map)Descriptor.toMap(triggers);
     }
@@ -1941,14 +1944,13 @@ public abstract class AbstractProject<P extends AbstractProject<P,R>,R extends A
          */
         static class AutoCompleteSeeder {
             private String source;
-            private Pattern quoteMatcher = Pattern.compile("(\\\"?)(.+?)(\\\"?+)(\\s*)");
 
             AutoCompleteSeeder(String source) {
                 this.source = source;
             }
 
             List<String> getSeeds() {
-                ArrayList<String> terms = new ArrayList();
+                ArrayList<String> terms = new ArrayList<String>();
                 boolean trailingQuote = source.endsWith("\"");
                 boolean leadingQuote = source.startsWith("\"");
                 boolean trailingSpace = source.endsWith(" ");