4832737c7d qt: connection type translator comments (Jarol Rodriguez)
Pull request description:
This PR introduces Qt translator comments for `Connection Type` strings in `guiutil.cpp` as well as `rpcconsole.cpp`.
This is an alternate implementation of the idea presented in the last three commits of #289. It is especially inspired by commit 842f4e834dfe5fd2786a5092f78ea28da1b36e4f.
Per [Qt Dev Notes](https://github.com/bitcoin-core/bitcoin-devwiki/wiki/Developer-Notes-for-Qt-Code), it is better to not break up strings when not necessary. This way we preserve the full context for translators.
ACKs for top commit:
jonatack:
Code review re-ACK 4832737c7d per `git diff 371e2b9 4832737`, changes are translator comment edits since my review yesterday (thank you for updating)
hebasto:
ACK 4832737c7d
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ccc4b9125a