changelog for v1.4.1
typos
multiline filter not input
added changes in 1.4.1
cleaned changes not relevant to end users
1.4.1 tentative release date
added spaces in path fix
Merge pull request #1304 from colinsurprenant/changelog_v141

changelog for v1.4.1
bumped version to 1.4.1
use latest doc url
Merge pull request #1335 from colinsurprenant/version_bump_141

Version bump 141
Merge git://github.com/logstash/logstash