Update i18n-abide 0.0.20 -> 0.0.22
Update po2json 0.2.3 -> 0.3.2
Merge pull request #30 from muffinresearch/update-i18n-abide

Update i18n-abide 0.0.20 -> 0.0.22
Merge pull request #32 from muffinresearch/update-po2json

Update po2json 0.2.3 -> 0.3.2
Update jsxgettext 0.4.3 -> 0.5.3