Account activity redesign (#662)

* Refactor-all-the-things version of the fix for issue #573

* Migrate SpanUtils to kotlin because why not

* Minimal fix for issue #573

* Add tests for compose spanning

* Clean up code suggestions

* Make FakeSpannable.getSpans implementation less awkward

* Add secondary validation pass for urls

* Address code review feedback

* Fixup type filtering in FakeSpannable again

* Make all mentions in compose activity use the default link color

* new layout for AccountActivity

* fix the light theme

* convert AccountActivity to Kotlin

* introduce AccountViewModel

* Merge branch 'master' into account-activity-redesign

# Conflicts:
#	app/src/main/java/com/keylesspalace/tusky/AccountActivity.java

* add Bot badge to profile

* parse custom emojis in usernames

* add possibility to cancel follow request

* add third tab on profiles

* add account fields to profile

* add support for moved accounts

* set click listener on account moved view

* fix tests

* use 24dp as statusbar size

* add ability to hide reblogs from followed accounts

* add button to edit own account to AccountActivity

* set toolbar top margin programmatically

* fix crash

* add shadow behind statusbar

* introduce ViewExtensions to clean up code

* move code out of offsetChangedListener for perf reasons

* clean up stuff

* add error handling

* improve type safety

* fix ConstraintLayout warning

* remove unneeded ressources

* fix event dispatching

* fix crash in event handling

* set correct emoji on title

* improve some things

* wrap follower/foillowing/status views

app/src/main/res/drawable/account_header_default.xml

@@ -1,7 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<shape
-    xmlns:android="http://schemas.android.com/apk/res/android"
-    android:shape="rectangle">
-    <size android:width="700px" android:height="335px" />
-    <solid android:color="@color/color_background_dark" />
-</shape>

app/src/main/res/drawable/account_header_gradient.xml

@@ -1,12 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<selector xmlns:android="http://schemas.android.com/apk/res/android">
-    <item>
-        <shape>
-            <gradient
-                android:angle="90"
-                android:startColor="#FF1a1c23"
-                android:endColor="#001a1c23"
-                android:type="linear" />
-        </shape>
-    </item>
-</selector>

app/src/main/res/drawable/avatar_background.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android">
+    <solid android:color="@color/color_background_light" />
+    <corners android:radius="14dp"/>
+    <size android:height="100dp" android:width="100dp"/>
+</shape>

app/src/main/res/drawable/ic_briefcase.xml

@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="18dp"
+    android:height="18dp"
+    android:viewportHeight="24"
+    android:viewportWidth="24">
+    <path
+        android:fillColor="#000"
+        android:pathData="M20,6C20.58,6 21.05,6.2 21.42,6.59C21.8,7 22,7.45 22,8V19C22,19.55 21.8,20 21.42,20.41C21.05,20.8 20.58,21 20,21H4C3.42,21 2.95,20.8 2.58,20.41C2.2,20 2,19.55 2,19V8C2,7.45 2.2,7 2.58,6.59C2.95,6.2 3.42,6 4,6H8V4C8,3.42 8.2,2.95 8.58,2.58C8.95,2.2 9.42,2 10,2H14C14.58,2 15.05,2.2 15.42,2.58C15.8,2.95 16,3.42 16,4V6H20M4,8V19H20V8H4M14,6V4H10V6H14Z" />
+</vector>

app/src/main/res/drawable/profile_badge_background.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android">
+    <stroke android:width="1dp" android:color="@color/text_color_tertiary_light"/>
+    <corners android:radius="12dp"/>
+    <padding android:bottom="2dp" android:top="2dp" android:left="8dp" android:right="8dp"/>
+</shape>