HUD 3.0

Work items:
Support phone preview mode: TODO
Support for phone preview mode (libhud): TODO
Support for phone preview mode (libhud-client): TODO
delete code that isn't active any more: TODO
review of what features we are actually offering and which parts of the codebase are implementing them: TODO
tie up between features and and tests: TODO
tight coupling - need to apply inversion of control and do dependency injection or similar: TODO
de-duplicate tests/Makefile.am: TODO
make it so that test results aren't emitted amongst the code - use a "results" dir: TODO
(autotools) CFLAGS and LDFAGS are a bit confused in many places: TODO
pick one of GNU, BSD or K&R (my preference) please and auto-format: TODO
hudstringlist implements its own reference counting: TODO
fix broken curses-based command line front-end and remove curses dependency: TODO
[oreneeshy] add more descriptions on the use case for the online help feature: TODO
[oreneeshy] update the terminology on how the scoring and keywords/description should impact it (regarding the current spec): TODO
[ted] Help support (libhud) (3d): BLOCKED
[ted] Help support (libhud-client) (3d): BLOCKED
[ted] service help support (3d): BLOCKED
[pete-woods] Dynamic description based on search terms (10d): TODO
[pete-woods] Make search adjust for context vs. keyword search items (5d): TODO
[ted] service support for custom toolbar items (5d): TODO
[ted] libhud support for custom toolbars (5d): TODO
[kaijanmaki] libhud-qt support action help (3d): BLOCKED
[ted] Naritive documentation (libhud): TODO
[ted] Naritive documentation (libhud-client): TODO
[kaijanmaki] libhud-qt add support for custom application toolbars (3d): BLOCKED