Moved Doxyfile from the root dir to documentation dir, as announced.

git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3@6280 ea41ed52-d2ee-0310-a9c1-e6b18d33e121

Doxyfile → documentation/Doxyfile

@@ -38,7 +38,7 @@ PROJECT_NUMBER         = 1.3.x
 # If a relative path is entered, it will be relative to the location 
 # where doxygen was started. If left blank the current directory will be used.
 
-OUTPUT_DIRECTORY       = doc
+OUTPUT_DIRECTORY       = ../doc
 
 # If the CREATE_SUBDIRS tag is set to YES, then doxygen will create 
 # 4096 sub-directories (in 2 levels) under the output directory of each output 
@@ -513,9 +513,9 @@ WARN_LOGFILE           =
 # directories like "/usr/src/myproject". Separate the files or directories 
 # with spaces.
 
-INPUT                  = FL \
-                         src \
-                         documentation
+INPUT                  = . \
+                         ../FL \
+                         ../src
 
 # This tag can be used to specify the character encoding of the source files 
 # that doxygen parses. Internally doxygen uses the UTF-8 encoding, which is