Update lang_issues_it.json

Italian text
Create lang_issues_fr.json

French text
Create lang_profile_fr.json

French text
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Translated to Czech
Translated to Czech
Translated to Czech
Translated to Czech
Translated to Czech
Update lang_issues_pl.json

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Update lang_home_pl.json

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Update lang_images_pl.json


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Update lang_title_pl.json

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Update lang_navbar_pl.json

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Update lang_welcome_pl.json

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Update lang_issues_fr.json
Update lang_issues_fr.json
Merge pull request #21 from kzlocz/patch-7

Update lang_welcome_pl.json
Merge pull request #20 from kzlocz/patch-6

Update lang_navbar_pl.json
Merge pull request #19 from kzlocz/patch-5

Update lang_title_pl.json