Merge branch 'release/0.2' into develop

* release/0.2:
  Add GITTAG build option
  Remove sha for source package
  Remove useless references in tutorial
  Fix tracking issue in html pages
  Fix marshal issue when no debug info available
  Fix doc duplicated title
  Fix workshop doc
  Improve package file name
  Fix luajit install path
  Exclude unneeded sphinx files
  Bump version to 0.2
  Add sha1sum for source package
  Fix indent in Makefile
Add missing header in autobuild scripts
add in memory packet capture for performance test
Allow haka to start without root permission

Only add option to change pid/socket files path
Factorize code between pcap and memory module
Add repeat mode to in memory packet capture
Fix segfault on non existing input file
Fix repeat on multithread and add sparse progress log
Add input size computation
Add duration and bandwith computation
Rename memory module into benchmark module
Add missing files
Use time_sec to compute timediff on seconds only
Remove useless output file
Use static initialization for mutex
Don't keep pcap file open while benchmarking
Remove useless comment
Enhance comment
Fix log
Don't install pcap module headers