config: Fix default config path and documents.

Signed-off-by: Julien Danjou <julien@danjou.info>

CMakeLists.txt

@@ -25,7 +25,8 @@ set(AWE_LUA_FILES
     ${SOURCE_DIR}/lib/tabulous.lua
     ${SOURCE_DIR}/lib/awful.lua)
 
-set(AWE_CONF_FILES ${BUILD_DIR}/awesomerc.lua)
+set(AWE_CONF_FILE_DEFAULT ${BUILD_DIR}/awesomerc.lua)
+set(AWE_CONF_FILE rc.lua)
 
 set(AWE_ICON_DIR ${SOURCE_DIR}/icons)
 
@@ -346,7 +347,8 @@ endif()
 # {{{ Installation
 install(TARGETS ${PROJECT_AWE_NAME} ${PROJECT_AWECLIENT_NAME} RUNTIME DESTINATION bin)
 install(FILES ${AWE_LUA_FILES} ${AWE_LUAC_FILES} DESTINATION ${AWESOME_LUA_LIB_PATH})
-install(FILES ${AWE_CONF_FILES} DESTINATION ${AWESOME_SYSCONFDIR})
+install(FILES ${AWE_CONF_FILE_DEFAULT} DESTINATION ${AWESOME_SYSCONFDIR}
+        RENAME ${AWE_CONF_FILE})
 if(GENERATE_MANPAGES)
     install(FILES ${AWE_MAN1_FILES} DESTINATION ${AWESOME_MAN_PATH}/man1)
     install(FILES ${AWE_MAN5_FILES} DESTINATION ${AWESOME_MAN_PATH}/man5)

README

@@ -55,5 +55,5 @@ the DISPLAY environment variable is set correctly, e.g.:
 
 Configuration
 -------------
-The configuration of awesome is done by creating a ~/.awesomerc.lua file.
+The configuration of awesome is done by creating a $XDG_CONFIG_HOME/awesome/rc.lua file.
 An example is provided in the sources.

awesome.1.txt

@@ -39,7 +39,7 @@ OPTIONS
 -h | --help::
     Print help information, then exit.
 --config | -c::
-    Use an alternate configuration file instead of $HOME/.awesomerc.lua.
+    Use an alternate configuration file instead of $XDG_CONFIG_HOME/awesome/rc.lua.
 
 DEFAULTS MOUSE BINDINGS
 -----------------------