new files to .gitignores; go back to discarding build command output

xwords4/android/XWords4-bt/.gitignore

@@ -1,5 +1,4 @@
 *.apk
-ant_out.txt
 local.properties
 bin
 gen

xwords4/android/XWords4-bt/build.xml

@@ -50,7 +50,7 @@
      in between standard targets -->
 
     <target name="-pre-build">
-        <exec dir="." executable="../scripts/mkvariant.sh" >
+        <exec dir="." executable="../scripts/mkvariant.sh" output="/dev/null">
             <arg value="--variant-name"/>
             <arg value="xw4bt"/>
             <arg value="--dest-dir"/>
@@ -62,10 +62,10 @@
             <arg value="--dest-dir"/>
             <arg value="./assets"/>
         </exec>
-        <exec dir="." executable="../scripts/ndkbuild.sh" >
+        <exec dir="." executable="../scripts/ndkbuild.sh" output="/dev/null">
             <arg value="-j3"/>
         </exec>
-        <exec dir=".." executable="./scripts/genvers.sh" output="ant_out.txt">
+        <exec dir=".." executable="./scripts/genvers.sh" output="/dev/null">
             <arg value="XWords4-bt"/>
             <arg value="xw4bt"/>
         </exec>

xwords4/android/XWords4-bt/res/values/.gitignore

@@ -2,3 +2,4 @@ git_string.xml
 strings.xml
 styles.xml
 app_name.xml
+common_rsrc.xml

xwords4/android/XWords4-dbg/res/drawable/.gitignore

@@ -21,3 +21,5 @@ stat_notify_sync.png
 undo.png
 values.png
 zoom.png
+bluetooth_active.png
+bluetooth_disabled.png

xwords4/android/XWords4-dbg/res/layout/.gitignore

@@ -25,3 +25,5 @@ prefs_w_buttons.xml
 relay_game_config.xml
 rename_game.xml
 select_dialog_item.xml
+btinviter_item.xml
+btinviter.xml

xwords4/android/XWords4-dbg/src/org/eehouse/android/xw4dbg/.gitignore

@@ -47,3 +47,7 @@ XWListActivity.java
 XWListAdapter.java
 XWListItem.java
 XWListPreference.java
+BTInviteActivity.java
+BTReceiver.java
+BTService.java
+MultiMsgSink.java