use qt's qdoc templates when building against qt5

Change-Id: Id49e7808b0e8e83c54d573766fcb8c25bfe6728b
Reviewed-by: Jerome Pasion <jerome.pasion@digia.com>

doc/api/qtcreator-dev-online-qt4.qdocconf

 # Run qdoc from the directory that contains this file.
 include(../config/compat.qdocconf)
-include(qtcreator-dev-online.qdocconf)
-
+include(../config/qtcreator-developer.qdocconf)
+include(../config/qt-html-templates-online.qdocconf)

doc/api/qtcreator-dev-online.qdocconf

 # Run qdoc from the directory that contains this file.
 include(../config/qtcreator-developer.qdocconf)
-include(../config/qt-html-templates-online.qdocconf)
+include($QT_INSTALL_DOCS/global/qt-html-templates-online.qdocconf)
 

doc/api/qtcreator-dev-qt4.qdocconf

 # Run qdoc from the directory that contains this file.
 include(../config/compat.qdocconf)
-include(qtcreator-dev.qdocconf)
+include(../config/qtcreator-developer.qdocconf)
+include(../config/qt-html-templates.qdocconf)

doc/api/qtcreator-dev.qdocconf

 # Run qdoc from the directory that contains this file.
 include(../config/qtcreator-developer.qdocconf)
-include(../config/qt-html-templates.qdocconf)
+include($QT_INSTALL_DOCS/global/qt-html-templates-offline.qdocconf)

doc/doc.pri

@@ -21,7 +21,7 @@ defineReplace(cmdEnv) {
 }
 
 defineReplace(qdoc) {
-    return("$$cmdEnv(SRCDIR=$$PWD OUTDIR=$$1 QTC_VERSION=$$QTCREATOR_VERSION QTC_VERSION_TAG=$$VERSION_TAG) $$QDOC_BIN")
+    return("$$cmdEnv(SRCDIR=$$PWD OUTDIR=$$1 QTC_VERSION=$$QTCREATOR_VERSION QTC_VERSION_TAG=$$VERSION_TAG QT_INSTALL_DOCS=$$[QT_INSTALL_DOCS]) $$QDOC_BIN")
 }
 
 QHP_FILE = $$OUT_PWD/doc/html/qtcreator.qhp

doc/qtcreator-online-qt4.qdocconf

 # Run qdoc from the directory that contains this file.
 include(config/compat.qdocconf)
-include(qtcreator-online.qdocconf)
+include(config/qtcreator-project.qdocconf)
+include(config/qt-html-templates-online.qdocconf)

doc/qtcreator-online.qdocconf

 # Run qdoc from the directory that contains this file.
 include(config/qtcreator-project.qdocconf)
-include(config/qt-html-templates-online.qdocconf)
-
+include($QT_INSTALL_DOCS/global/qt-html-templates-online.qdocconf)

doc/qtcreator-qt4.qdocconf

 # Run qdoc from the directory that contains this file.
 include(config/compat.qdocconf)
-include(qtcreator.qdocconf)
+include(config/qtcreator-project.qdocconf)
+include(config/qt-html-templates.qdocconf)

doc/qtcreator.qdocconf

 # Run qdoc from the directory that contains this file.
 include(config/qtcreator-project.qdocconf)
-include(config/qt-html-templates.qdocconf)
+include($QT_INSTALL_DOCS/global/qt-html-templates-offline.qdocconf)