checkstyle fixes
remove commons-lang 2.x dependency

In the ongoing quest to eradicate commons-lang 2.x from the face of
the earth, make Singularity use commons-lang3 everywhere.
checkstyle fixes, round 2
Merge pull request #217 from hgschmie/commons-lang

remove commons-lang 2.x dependency
Merge pull request #215 from hgschmie/checkstyle

checkstyle fixes
Tweaks to tailer
More tailer tweaks
Scroll to files browser depending on url path
Bug fix for body resizing
Table view bug fix