minor doxygen updates

Doxyfile

@@ -25,19 +25,19 @@ DOXYFILE_ENCODING      = UTF-8
 # The PROJECT_NAME tag is a single word (or a sequence of words surrounded
 # by quotes) that should identify the project.
 
-PROJECT_NAME           = "Paparazzi UAV"
+PROJECT_NAME           = "Paparazzi UAS"
 
 # The PROJECT_NUMBER tag can be used to enter a project or revision number.
 # This could be handy for archiving the generated documentation or
 # if some version control system is used.
 
-PROJECT_NUMBER         = 3.5
+PROJECT_NUMBER         =
 
 # Using the PROJECT_BRIEF tag one can provide an optional one line description
 # for a project that appears at the top of each page and should give viewer
 # a quick idea about the purpose of the project. Keep the description short.
 
-PROJECT_BRIEF          = "Paparazzi is a free software Unmanned (Air) Vehicle System."
+PROJECT_BRIEF          = "Paparazzi is a free software Unmanned Aircraft System."
 
 # With the PROJECT_LOGO tag one can specify an logo or icon that is
 # included in the documentation. The maximum height of the logo should not

doc/manual/style.dox

@@ -107,7 +107,7 @@ comments.
 -# for documentation requiring multiple lines, use a "block" style:
 @verbatim
 /**
- * @brief First sentence is short description.  Remaining text becomes
+ * First sentence is brief description.  Remaining text becomes
  * the full description block, where "empty" lines start new paragraphs.
  *
  * One can make text appear in @a italics, @b bold, @c monospace, or
@@ -139,7 +139,7 @@ int field2; ///< a brief description
 @verbatim
 /**
  * @file foo/bar/file.c
- * @brief Brief description of file.
+ * Brief description of file.
  *
  * More detailed description of file.
  */
@@ -150,6 +150,8 @@ int field2; ///< a brief description
 The following guidelines apply to all Doxygen comment blocks:
 
 -# Use the @c '\@cmd' form for all doxygen commands (do @b not use @c '\\cmd').
+-# It is not necessary to use @c \@brief since @c JAVADOC_AUTOBRIEF is enabled.
+  - The first line (until the first dot) is automatically treated as brief description.
 -# Use symbol names such that Doxygen automatically creates links:
   -# @c function_name() can be used to reference functions
     (e.g. ahrs_propagate()).