Several changes:

 - Wt 4 specific:
  - Fix issue #5796: implement WGenericMatrix without Boost
  - Added move constructors/assignment operators to WString
 - Merges from master:
  - Fix #5798
  - Fix test.wt & test.http build for ARM
    Add thread linker flags to fix build errors when building for ARM
    (PR emweb#117 by Mark O'Donovan (modonovan@biotector.com))
  - Fix #5790: make it possible to set config file when argc = 0
  - Fix #5799: allow to add entry points safely when server is running

Author: RockinRoel

doc/tutorial/wt.doc

@@ -263,7 +263,7 @@ equivalent).
 .Inside +WRun()+
 ****
 +WRun()+ is actually a convenience function which creates and
-configures a +{doc}:classWt_1_1WServer[WServer]+ instance. If you want
+configures a +{doc}classWt_1_1WServer.html[WServer]+ instance. If you want
 more control, for example if you have multiple “entry points”, or want
 to control the server starting and stopping, you can use the +WServer+
 API directly instead.

src/Wt/Json/Value

@@ -114,6 +114,13 @@ public:
    */
   Value(const WT_USTRING& value);
 
+  /*! \brief Creates a value from a string.
+   *
+   * This creates a \link Wt::Json::Type::String
+   * Json::Type::String\endlink value.
+   */
+  Value(WT_USTRING&& value);
+
   /*! \brief Creates a value from a boolean.
    *
    * This creates a \link Wt::Json::Type::Bool

src/Wt/Json/Value.C

@@ -94,6 +94,10 @@ Value::Value(const WT_USTRING& value)
   : v_(value)
 { }
 
+Value::Value(WT_USTRING&& value)
+  : v_(std::move(value))
+{ }
+
 Value::Value(int value)
   : v_(value)
 { }