Increase version number
Increase version number
Increase version number
Restore es_AR translation
(transplanted from f9aff3bd8c0b1fcc09d7f3a794f8f9d487f2a35c)

--HG--
extra : transplant_source : %F9%AF%F3%BD%8C%0B%1F%CC%09%D7%F3%A7%94%F8%F9%D4%87%F2%A3%5C
Prepare release 2.4.1
Added tag 2.4.1 for changeset 2436dd8d3ee3
Increase version number
Increase version number
Increase version number
Increase version number
null merge from 2.0
null merge from 2.2
null merge from 2.4
null merge from 2.6
null merge from 2.8
null merge from 3.0
Improve setup.py to allow dev publication

issue3436
issue1891
review2441002