Adjusting fail2ban logwatch script to match lines from 0.9 as well

File itself includes additional log information about changes
Sample logfiles to test logwatch services script
BF: logwatch -- fixing up regex for 'already banned'
ENH: untabified and reindented entire script for sane formatting (no functional changes)
ENH: print rebans stats even if no "Failures" are logged, and reduce indentation in output
RF: moving logwatch setup/sample logs under files/logwatch
Merge pull request #782 from yarikoptic/bf/logwatch

logwatch file (original 1.5 version + fixes for change of logs in 0.9)