[CZ]t-zones: fix gateway for users of Mych5 tariff

Issue #440. Thanks Martin Pavlásek.
[CZ]O2_(registrace): fix detection of invalid credentials

Issue #437.
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update [LT]dos.lt gateway
[CZ]T-mobile, [CZ]t-zones: fix broken certificate

Fixes #443.
[CZ]PoslatSMS.cz: remove gateway due to frequent complaints
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Compose a whole message from its parts when editing queue

Thanks Tomáš Jiříček for the initial implementation.
Partly fixes issue #152.
revert version back to development style

This was a mistake done by the previous commit.
[CZ]O2_(registrace): remove captcha, not needed anymore

Fixes #433
update translations
bump release to 1.4
Mac packaging: migration to Oracle Java 7 packager

Fixes pull request #5. Thanks Marian Bouček.
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Trust self-signed certificates (issue #454)

I don't know any any better way to deal with gateways with invalid or
not-trusted-by-default certificates.
bump release to 1.5
update translations
Revert "Trust self-signed certificates (issue #454)"

This reverts commit f5869b8f3eb022355621ebe56a6f254329e435aa.
The commit "fixed" the issue on older JREs, but broke another gateway
(t-mobile) on newer JREs. Since I don't have any better solution, and
t-zones certificate is clearly broken, I revert this and thus keep
t-zones non-functional for the moment.

Related to issue #454.