.Doxyfile: modify to generate C++ docs, excluding tests

.Doxyfile

@@ -26,7 +26,7 @@ DOXYFILE_ENCODING      = UTF-8
 # identify the project. Note that if you do not use Doxywizard you need
 # to put quotes around the project name if it contains spaces.
 
-PROJECT_NAME           = "My Project"
+PROJECT_NAME           = "Caffe"
 
 # The PROJECT_NUMBER tag can be used to enter a project or revision number.
 # This could be handy for archiving the generated documentation or
@@ -52,7 +52,7 @@ PROJECT_LOGO           =
 # 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       =
+OUTPUT_DIRECTORY       = ./doxygen/
 
 # 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
@@ -648,7 +648,7 @@ WARN_LOGFILE           =
 # directories like "/usr/src/myproject". Separate the files or directories
 # with spaces.
 
-INPUT                  =
+INPUT                  = ./include/caffe ./src/caffe
 
 # 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
@@ -672,7 +672,7 @@ FILE_PATTERNS          =
 # should be searched for input files as well. Possible values are YES and NO.
 # If left blank NO is used.
 
-RECURSIVE              = NO
+RECURSIVE              = YES
 
 # The EXCLUDE tag can be used to specify files and/or directories that should be
 # excluded from the INPUT source files. This way you can easily exclude a
@@ -680,7 +680,7 @@ RECURSIVE              = NO
 # Note that relative paths are relative to the directory from which doxygen is
 # run.
 
-EXCLUDE                =
+EXCLUDE                = ./src/caffe/test/ ./include/caffe/test/
 
 # The EXCLUDE_SYMLINKS tag can be used to select whether or not files or
 # directories that are symbolic links (a Unix file system feature) are excluded
@@ -1247,7 +1247,7 @@ PAPER_TYPE             = a4
 # The EXTRA_PACKAGES tag can be to specify one or more names of LaTeX
 # packages that should be included in the LaTeX output.
 
-EXTRA_PACKAGES         =
+EXTRA_PACKAGES         = amsmath amsfonts xr
 
 # The LATEX_HEADER tag can be used to specify a personal LaTeX header for
 # the generated latex document. The header should contain everything until