kate: add some documentation

Alex

Help/generator/Kate.rst

@@ -0,0 +1,26 @@
+Kate
+----
+
+Generates Kate project files.
+
+A project file for Kate will be created in the top directory in the top level
+build directory.
+To use it in kate, the Project plugin must be enabled.
+The project file is loaded in kate simply by opening the
+ProjectName.kateproject file in the editor.
+If the kate Build-plugin is enabled, all targets generated by CMake are
+available for building.
+
+This "extra" generator may be specified as:
+
+``Kate - MinGW Makefiles``
+ Generate with :generator:`MinGW Makefiles`.
+
+``Kate - NMake Makefiles``
+ Generate with :generator:`NMake Makefiles`.
+
+``Kate - Ninja``
+ Generate with :generator:`Ninja`.
+
+``Kate - Unix Makefiles``
+ Generate with :generator:`Unix Makefiles`.

Help/manual/cmake-generators.7.rst

@@ -81,4 +81,5 @@ The following extra generators are known to CMake.
    /generator/CodeBlocks
    /generator/Eclipse CDT4
    /generator/KDevelop3
+   /generator/Kate
    /generator/Sublime Text 2