Documentation updates

Adding “Story River” to the “Concepts” category, and doing some
clean-up of other entries in the category by moving some concepts to
become sub-concepts in the TOC

editions/tw5.com/tiddlers/concepts/DominantAppend.tid

@@ -1,6 +1,6 @@
 created: 20150123220223000
-modified: 20150124185028000
-tags: Concepts
+modified: 20150917193646675
+tags: Filters
 title: Dominant Append
 type: text/vnd.tiddlywiki
 

editions/tw5.com/tiddlers/concepts/InfoPanel.tid

@@ -1,5 +1,8 @@
-tags: Concepts Features
+created: 20150917193630604
+modified: 20150917193631731
+tags: Features
 title: InfoPanel
+type: text/vnd.tiddlywiki
 
 Each tiddler has a panel of additional information. To reveal it, click the {{$:/core/images/down-arrow}} button in the tiddler's toolbar and then choose {{$:/core/images/info-button}} ''info'' from the dropdown list.
 

editions/tw5.com/tiddlers/concepts/ModuleType.tid

@@ -1,6 +1,6 @@
 created: 20131129162847412
-modified: 20131129162908445
-tags: Concepts
+modified: 20150917193804197
+tags: Modules
 title: ModuleType
 type: text/vnd.tiddlywiki
 

editions/tw5.com/tiddlers/concepts/OrderOfTaggedTiddlers.tid

@@ -1,7 +1,8 @@
 created: 20150124125646000
-modified: 20150127154154000
-tags: Concepts
+modified: 20150917193522589
+tags: Tagging
 title: Order of Tagged Tiddlers
+type: text/vnd.tiddlywiki
 
 When ~TiddlyWiki generates a list of the tiddlers that have a particular tag (e.g. the dropdown list of a tag pill), it orders the tiddlers using the following rules:
 

editions/tw5.com/tiddlers/concepts/SelectionConstructors.tid

@@ -1,6 +1,6 @@
 created: 20150117204109000
-modified: 20150129133830000
-tags: Concepts
+modified: 20150917193713204
+tags: Filters
 title: Selection Constructors
 type: text/vnd.tiddlywiki
 

editions/tw5.com/tiddlers/concepts/Story_River.tid

@@ -0,0 +1,7 @@
+created: 20150917193906790
+modified: 20150917194028462
+tags: Concepts
+title: Story River
+type: text/vnd.tiddlywiki
+
+The "story river" (sometimes abbreviated to "story") is the sequence of [[tiddlers|Tiddlers]] in the main column of the display.

editions/tw5.com/tiddlers/concepts/TagTiddlers.tid

@@ -1,7 +1,8 @@
 created: 20141228094500000
-modified: 20141228094500000
-tags: Concepts
+modified: 20150917193731240
+tags: Tagging
 title: TagTiddlers
+type: text/vnd.tiddlywiki
 
 A tag tiddler is any tiddler that is in use as a tag.
 

editions/tw5.com/tiddlers/filters/FilterOperators.tid

@@ -1,6 +1,6 @@
 created: 20140410103123179
-modified: 20150203183422000
-tags: Concepts Filters
+modified: 20150917193612610
+tags: Filters
 title: Filter Operators
 type: text/vnd.tiddlywiki