WikiHandler: Add handling for GitHub-flavored wikilinks
Disable GitHub wiki use on site
Upgrade from MVC3.0 to MVC5.2

This means you should no longer need to manually install MVC (on local
and server) and brings up new features
Merge pull request #48 from ZeroK-RTS/upgrade_mvc_5_2

Upgrade from MVC3.0 to MVC5.2
Unlocks page items say "Points" instead of "XP"; correctly mark items requiring more kudos than user has as unavailable
LoginBar: rename "Free XP" to "Tech Points"; clarify tooltips as per Shaman's suggestions
Web.config: fix Mvc.MvcWebRazorHostFactory version
Fix linking to posts on not-first page
Basic post search implementation
* Still needs UI
* Currently no pagination; limited to 100 results
Give exact dates in replay list
Timestamps for forum search results
mission_runner.lua: implement resending objectives to widget on request
Also change case of cutscene skip LuaRulesMsg
Mission Editor fixes: keyboard working when it shouldn't in cutscenes; reloading objectives
Fix image width in campaign journals
Fix userIDs to be uint instead of int
Polish ReportToAdmin page; allow accessing by specifying username or lobbyID
MassBan.cshtml: I don't think site ban actually requires IP
Add "Report User" links to relevant ZKL context menus
Fixes #37
ChatBox.cs: added indent to multiline text to avoid identity spoofing

this will clearly differentiate a multi-line message from a new chat message
ConnectBar.cs & AcceptAgreementForm.cs: if press "X" on accept agreement Form then do nothing (and disconnect), if pressed "Accept" then accept agreement (normal flow).