SER replaced with SIP Router in the doxygen main file.

doc/doxygen/main.dox

@@ -1,14 +1,14 @@
 /**
- * \mainpage SER Development Documentation
+ * \mainpage The SIP Router Development Documentation
  *
- * The development documentation for SER consists of annotated and documented
+ * This development documentation contains annotated and documented
  * source files. For the sake of clarity the documentation is split into the
  * following groups:
  *
  * \section db_layer Database Abstraction Layer
  *
  * \ref db_api Database Abstraction Layer is a group of data structures and functions that
- * are used by all SER modules that need to access a database.
+ * are used by all SIP Router modules that need to access a database.
  *
- * \section ser_modules SER Modules
+ * \section sr_modules SIP Router Modules
  */