Add 'find-untranslated-no-summary' option for i18ndude.

[thomasmassmann]

For bigger projects with a lot of pt files it's very hard to see the problematic templates if every file, even correct ones, is printed to the command line. This option (default to false, so no change in current installations) enables the --no-summary mode for i18ndude, which only shows the errors for each file.

[gforcada]

@tmassman please rebase on top of current master so that travis jobs have a green base 🙂

[tisto]

I am wondering if it would make sense to add a more generic i18ndude command line parameter. Otherwise we would have to add a new p.r.codeanalysis option for every i18ndude param that exists.

[thomasmassmann]

@tisto, there are only two params for the find-untranslated command, and no other i18ndude command is used in p.r.codeanalysis. But if you have a suggestion on how to best do it here, please let me know.

[thomasmassmann]

@gforcada rebase is done, what do you think?