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/java/com/keylesspalace/tusky/util/Resource.kt

@@ -0,0 +1,9 @@
+package com.keylesspalace.tusky.util
+
+sealed class Resource<T>(open val data: T?)
+
+class Loading<T> (override val data: T? = null) : Resource<T>(data)
+
+class Success<T> (override val data: T? = null) : Resource<T>(data)
+
+class Error<T> (override val data: T? = null, val errorMessage: String? = null): Resource<T>(data)

app/src/main/java/com/keylesspalace/tusky/util/ViewExtensions.kt

@@ -0,0 +1,19 @@
+package com.keylesspalace.tusky.util
+
+import android.view.View
+
+fun View.show() {
+    this.visibility = View.VISIBLE
+}
+
+fun View.hide() {
+    this.visibility = View.GONE
+}
+
+fun View.visible(visible: Boolean) {
+    this.visibility = if(visible) {
+        View.VISIBLE
+    } else {
+        View.GONE
+    }
+}