Move <variant>release to project default-build, like was done for tools/inspect

Author: pdimov

Jamfile.v2

@@ -30,17 +30,16 @@ project /boost/quickbook
         <warnings>all
         <define>BOOST_CONFIG_SUPPRESS_OUTDATED_MESSAGE
     : default-build
-        <cxxstd>11
+        <cxxstd>11 <variant>release
     ;
 
 explicit
     [ install dist-bin
         : src//quickbook/<link>static
-        : <install-type>EXE <location>$(DIST_DIR)/bin
-        : release ]
-    [ alias quickbook : src//quickbook/<link>static : release ]
+        : <install-type>EXE <location>$(DIST_DIR)/bin ]
+    [ alias quickbook : src//quickbook/<link>static ]
     [ alias all : quickbook dist test ]
     ;
 
 # Install distribution files/execs by default.
-alias dist : dist-bin : release ;
+alias dist : dist-bin ;