fixes from code review by Ansariel

indra/newview/skins/default/xui/en/strings.xml

@@ -495,7 +495,7 @@ Please try logging in again in a minute.</string>
 	
 	<string name="NotConnected">Not Connected</string>
 	<string name="AgentNameSubst">(You)</string> <!-- Substitution for agent name -->
-	<string name="JoinAnExperience"></string> <!-- intentionally left blank -->
+	<string name="JoinAnExperience">Join An Experience</string>
 	<string name="SilentlyManageEstateAccess">Suppress alerts when managing estate access lists</string>
 	<string name="OverrideYourAnimations">Replace your default animations</string>
 	<string name="ScriptReturnObjects">Return objects on your behalf</string>
@@ -526,6 +526,8 @@ Please try logging in again in a minute.</string>
 	<string name="load_file_verb">Load</string>
 	<string name="targa_image_files">Targa Images</string>
 	<string name="bitmap_image_files">Bitmap Images</string>
+	<string name="png_image_files">PNG Images</string>
+	<string name="save_texture_image_files">Targa or PNG Images</string>
 	<string name="avi_movie_file">AVI Movie File</string>
 	<string name="xaf_animation_file">XAF Anim File</string>
 	<string name="xml_file">XML File</string>
@@ -2533,8 +2535,8 @@ This feature is currently in Beta. Please add your name to this [http://goo.gl/f
 	<string name="CompileQueueProblemDownloading">Problem downloading</string>
 	<string name="CompileQueueInsufficientPermDownload">Insufficient permissions to download a script.</string>
 	<string name="CompileQueueInsufficientPermFor">Insufficient permissions for</string>
-   <string name="CompileQueueUnknownFailure">Unknown failure to download</string>
-   <string name="CompileNoExperiencePerm">Skipping script [SCRIPT] with Experience [EXPERIENCE].</string>
+	<string name="CompileQueueUnknownFailure">Unknown failure to download</string>
+	<string name="CompileNoExperiencePerm">Skipping script [SCRIPT] with Experience [EXPERIENCE].</string>
 	<string name="CompileQueueTitle">Recompilation Progress</string>
 	<string name="CompileQueueStart">recompile</string>
 	<string name="ResetQueueTitle">Reset Progress</string>