fix errors ending with an exclamation point; use a point instead
remove uniques (or almost) error messages titles, like 'Encoding Error' (1 occurrence in addons), 'Integrity Error' (1 occurrence in addons), 'Report Name' (1 occurrence in addons), 'Value Error' (1 occurrence in addons), 'Wrong Period Code' (1 occurrence in addons); replace these with 'Error'
add newline character after some messages titles, when necessary
fix 'UserError': should be 'User Error'
remove spaces before exclamation marks
add capital letters to messages titles words (e.g.: 'Invalid action' becomes 'Invalid Action')
bzr revid: abo@openerp.com-20120807110616-u3nlnybtgaebro18
remove exclamation marks at the end of messages
remove first person usage ('I' and 'We')
remove unjustified capital letters
rephrase the clumsy form 'No <some attribute> is defined'
bzr revid: abo@openerp.com-20120806162817-241dzl664je6t1kt
Antonin Bourguignon
Saurang Suthar(OpenERP)
Numerigraphe - Lionel Sausin
uco (OpenERP)
Panos Christeas