[IMP] Prevent to add both same journals on a period
[IMP] Use sql constraint to Prevent to add both same journals on a period
[IMP] Improve error message for account_journal_period_close
add .mailmap to fix authors for git-shortlog
Merge pull request #27 from acsone/7.0-imp-journal-period-duplicate

[IMP] Prevent to add both same journals on a period when using account_journal_period_close
[FIX] .travis for account_constraints conflicts
[FIX] PEP8
Merge pull request #29 from yvaucher/7.0-add-mailmap

add .mailmap to fix authors for git-shortlog
Merge pull request #35 from eLBati/7.0_fix_travis_for_account_constraints

[7.0] [FIX] .travis for account_constraints conflicts
Merge remote-tracking branch 'origin/7.0' into 7.0_add_account_reconciliation_reopen