Merge pull request #9 from drammock/master

WIP: ensuring all phonemes have a feature vector
updated aggregated and phonemes tables
added voiceless symbol to two clicks
Merge pull request #11 from bambooforest/master

updated data tables
fixed idn
Merge pull request #12 from bambooforest/master

fixed idn
update source
Merge pull request #13 from bambooforest/master

update source
Merge updated upstream. Merge branch 'master' of github.com:phoible/phoible