Registry exposes repair/reindex functionality

Normally we only used this when performing upgrades, but
they're useful to be called explicitly if our registry has
inconsistencies.

They actually fixed my broken registry. :)
Added a `ckan repair registry` command.

Fixes #400.

Fark, our CmdLine is a mess. Going to try and clean it a little bit.
Actually *use* our download hints when downloading files.

Fixes #307
Added OSX condition to @CP
KSP_VERSION_MIN does not require KSP_VERSION_MAX
gui redesign part 2
small oversight
Merge pull request #417 from tips48/ksp_version

Make KSP_VERSION_MIN and KSP_VERSION_MAX independent
Merge pull request #405 from KSP-CKAN/400_registry_repair

Implement `ckan repair registry` command.
Merge pull request #410 from KSP-CKAN/307_fix_netkan_cache

Actually *use* our download hints when downloading files.
Merge pull request #414 from CodingWoes/413_mac_build_issue

Added OSX condition to @CP
small fixes
"Installing mods" tab now properly renamed according to the current action
removed parenthesis around titlebar ckan version
handle InconsistentKraken on mod installs
Allow resizing of mod list columns
hopefully this fixes the error dialog crash on linux
error dialog proper size on linux
Merge pull request #418 from AlexanderDzhoganov/master

GUI redesign - Part 2
Add About dialog