Use common rules for build and install documentation and translations.

Signed-off-by: Ray-V <ray-v@inbox.lv>
Signed-off-by: Slávek Banko <slavek.banko@axis.cz>
(cherry picked from commit dbf4baa42b)

kdbg/doc/CMakeLists.txt

@@ -1 +1 @@
-tde_auto_add_subdirectories( )
+tde_add_project_docs()

kdbg/doc/man/CMakeLists.txt

@@ -1,5 +0,0 @@
-INSTALL(
-    FILES ${PROJECT_NAME}.1
-    DESTINATION ${MAN_INSTALL_DIR}/man1
-    COMPONENT doc
-)

po/CMakeLists.txt

@@ -1,14 +1 @@
-file( GLOB_RECURSE po_files RELATIVE ${CMAKE_CURRENT_SOURCE_DIR} *.po )
-string( REGEX REPLACE "[ \r\n\t]+" ";" _linguas "$ENV{LINGUAS}" )
-
-foreach( _po ${po_files} )
-  get_filename_component( _lang ${_po} NAME_WE )
-  if( "${_linguas}" MATCHES "^;*$" OR ";${_linguas};" MATCHES ";${_lang};" )
-    if( "${_po}" MATCHES "^([^/]*)/.*" )
-      string( REGEX REPLACE "^([^/]*)/.*" "\\1" _component "${_po}" )
-    else( )
-      set( _component "${PROJECT_NAME}" )
-    endif( )
-    tde_create_translation( FILES ${_po} LANG ${_lang} OUTPUT_NAME ${_component} )
-  endif( )
-endforeach( )
+tde_add_project_translations()