add multiline capability, backward compatible with old configuration
files
tag corresponding to each event (text) can't be supplied through Fields,
being able to supply individual tag requires further work that I will
take up later, not necessary for now
previous merge with previous text (needed because java stack has no
timestamp)

not_merged stands alone

next merge with next text
add a lumberjack remover
1. unmonitor lumberjack processes
2. stop them
delete both /etc/init.d/lumberjack and
/etc/init.d/lumberjack-custom-starter-scripts
give the ability to drop empty lines
Merge pull request #1 from HubSpot/add-multiline

add multiline capability, backward compatible with old configuration files