translating
kill unused import
Prevent NullPointerException when setting debug mode while launching
Setup project to work with travis
Parallelize test suites' execution
translate a bit
Dispose of no needed anymore humanLangListeners (see #401)
s/javabat/codingbat/
s/javabat/codingbat/ in translations too
relaunch po4a, and add the pt_BR files
further push the french engine translation
translating
Remove useless line
translating to pt_BR - 56%

The pull request did not merge automatically, so pick the file directly from
https://raw.githubusercontent.com/FredMaranhao/PLM/master/l10n/missions/pt_BR.po
Remove HumanLangListeners' references when switching exercises
Merge pull request #403 from oster/fix-human-lang-listeners

Fix human lang listeners
French translation passes i=1 as an argument, so don't choke on that value

Fix #405
Merge pull request #402 from FredMaranhao/master

translating to pt_BR - 56% done
Merge pull request #6 from oster/master

just syncronizing
Lander101: improve mission text wrt stepping the simulation

Some people were doing a while loop in the wannabe step function,
which leads to freezes since nothing happens as long as step does not
returns (fix #406).