Port fixes from 64bit branch:
- missing le32toh() in generic timestamp getter.
- fix printf formatters in dvs128.c.
- require pointer to header instead of timestamp directly, easier for the user and for us.
Fix comments (from 64bit branch).
Add general architecture image from presentation.
Complete sections split, transfer notes, start writing.
Move source information to SSHS.
Merge branch 'master' into 64bit

Conflicts:
	events/common.h
	modules/backgroundactivityfilter/backgroundactivityfilter.c
	utils/tcpststat/tcpststat.c
	utils/udpststat/udpststat.c
	utils/unixststat/unixststat.c