Finish route change, it builds now

I used this chance to make some name changes, add some utils, tweak some
imports, remove more `setTitle`s and so on. I also made person, repo,
key and project creation forms verify CI-uniqueness.

src/Data/CaseInsensitive/Local.hs

@@ -0,0 +1,48 @@
+{- This file is part of Vervis.
+ -
+ - Written in 2016 by fr33domlover <fr33domlover@riseup.net>.
+ -
+ - ♡ Copying is an act of love. Please copy, reuse and share.
+ -
+ - The author(s) have dedicated all copyright and related and neighboring
+ - rights to this software to the public domain worldwide. This software is
+ - distributed without any warranty.
+ -
+ - You should have received a copy of the CC0 Public Domain Dedication along
+ - with this software. If not, see
+ - <http://creativecommons.org/publicdomain/zero/1.0/>.
+ -}
+
+-- | CI views for avoiding ambiguity in the meaning of some typeclass
+-- instances, and allow two instances to coexist. For example, does 'show' show
+-- the original or the case-folded version? Using CI views, it's easy to
+-- specify that.
+--
+-- Note that some of the instances provided here, i.e. instances 'CI' already
+-- has, are reused directly by both views. If you aren't sure about a specific
+-- instance, check the source.
+module Data.CaseInsensitive.Local
+    ( AsOriginal (..)
+    , mkOrig
+    , AsCaseFolded (..)
+    , mkFolded
+    )
+where
+
+import Prelude
+
+import Data.CaseInsensitive
+import Data.Hashable (Hashable)
+import Data.String (IsString)
+
+newtype AsOriginal s = AsOriginal { unOriginal :: CI s }
+    deriving (Eq, Ord, Read, Show, IsString, Monoid, Hashable, FoldCase)
+
+mkOrig :: FoldCase s => s -> AsOriginal s
+mkOrig = AsOriginal . mk
+
+newtype AsCaseFolded s = AsCaseFolded { unCaseFolded :: CI s }
+    deriving (Eq, Ord, Read, Show, IsString, Monoid, Hashable, FoldCase)
+
+mkFolded :: FoldCase s => s -> AsCaseFolded s
+mkFolded = AsCaseFolded . mk