[doc] updated settings manager documentation
[doc] Various fixes for doxygen grouping etc.
[core/net/rime] Doxygen fixes
[core/net/mac] Doxygen: Added frame802154 to net group
[doc] added faulty esb and msp430 references
[core/net/rime] Avoid equal group titles in same group
[platform/native] Add to doxygen tree
[doc/cpu.txt] added pic32 and aducrf101 cpu
[doc/html/img/esb] deleted obsolete folder
[cpu] removed faulty group names
[doc/html] Removed .cvsignore
[cpu/arm] removed free-standing @addtogroup command
[doc] Fixed and simplified doc/cpu.txt
[cpu/arm] Added doxygen .txt files for gaining a minimum of documentation structure
[cpu/pic32] Removed excess end group
[cpu/stm32w108] Doxygen grouping and group name fixes
[doc] Memory functions should be listed under 'Libraries'
[doc] Added minimal doxygen anchor for each platform currently available in Contiki

Already existing label names and titles were retained
[doc] avr-atmega128rfa1: add to parent platform group
[doc] llsec moved in net group