Closes #295
New translation strings
Check that ValueMax is >= 1
Show details if error in advanced settings
Correctly show error message for ValueMax
Make email field an email one
Make username, email (if smtp of course) and title required html inputs

Signed-off-by: Thomas Citharel <tcit@tcit.fr>

Signed-off-by: Thomas Citharel <tcit@tcit.fr>

Signed-off-by: Thomas Citharel <tcit@tcit.fr>

Signed-off-by: Thomas Citharel <tcit@tcit.fr>

Correcting comment typo in file header

Fix #190 

See merge request !144

There is no reason to limit the caracters that can be used in the name.
Thus, removing the regex.

Fix #97

	- As it is now, description can't be in error state : we are waiting the markdown implementation to eventually change that.
	- Comments are now normaly formated (newlines are taken into account)
	- The title, description and comment regexes are now useless. Deleted.