src/Utils.cpp: don't lie to --makepem

I removed C, ST, L and O as certificate would be fine with just CN too
and the other variables are get from environment correctly.
Recommend UTF-8 in webadmin

Fix #790
Fix some int_t types in modperl/modpython
ChangeLog/1.4: CVE was finally assigned.
Merge pull request #789 from Mkaysi/makepem

src/Utils.cpp: don't lie to --makepem
Fix crash in Add User page in webadmin

Thanks to JordanJ2 for reporting it
Let's use recommended value by default for new users
Fix modperl startup
Remove DH-BLOWFISH and DH-AES from the sasl module
Mention username as well as password in the sasl module help
Merge pull request #792 from kerio92/master

Remove DH-BLOWFISH and DH-AES from the sasl module