Various clang-format-guided cleanups.

Some variable and function names have been shortened, either because
they were too long, or because they were too long.  They were too
damned long, guys.
Remove ostringstream in IoCore.

Das ist verboten.
Inline the string constants again.

This actually isn't too bad, if I may say so myself.
Merge pull request #72 from UniversityRadioYork/mw-more-cleanup

Various clang-format-guided cleanups.