Prepare release 3.0.1
Added tag 3.0.1 for changeset b2538daea4c7
Increase version number
Fix pay wizard for supplier invoice

Since changeset ec72480260e4, get_reconcile_lines_for_amount expect to have
signed amount but the pay wizard use absolute amount.

issue3552
review2211002
(transplanted from 019ccd164020e3d4efb806af3c7045d77dc96bc3)

--HG--
extra : transplant_source : %01%9C%CD%16%40%20%E3%D4%EF%B8%06%AF%3CpE%D7%7D%C9k%C3
Clear origin field on copying lines

review2421002
issue3565
(transplanted from e4a9667679f856d23f74b6efb0c62c09cbe2f852)

--HG--
extra : transplant_source : %E4%A9fvy%F8V%D2%3Ft%B6%EF%B0%C6%2C%09%CB%E2%F8R
Fix typo in Period.write to check invoice sequence changes

It was introduced in changeset 90edc4984c69.
Patch from Jordi Esteve.

issue3567
review2461003
(transplanted from 77bd9c1bb110f5cb51771231d9912267f546b404)

--HG--
extra : transplant_source : w%BD%9C%1B%B1%10%F5%CBQw%121%D9%91%22g%F5F%B4%04