Implemented Alias editing

app/src/main/AndroidManifest.xml

...u/libquassel/syncables/types/abstracts/AAliasManager.java

...kuschku/libquassel/syncables/types/impl/AliasManager.java

.../libquassel/syncables/types/interfaces/QAliasManager.java

...java/de/kuschku/quasseldroid_ng/ui/chat/MainActivity.java

...eldroid_ng/ui/coresettings/aliases/AliasEditActivity.java

...eldroid_ng/ui/coresettings/aliases/AliasListActivity.java

...ui/coresettings/aliases/helper/AliasSerializerHelper.java

.../java/de/kuschku/util/irc/format/IrcFormatSerializer.java

app/src/main/res/layout/activity_alias_edit.xml

app/src/main/res/layout/activity_chatlist_edit.xml

app/src/main/res/layout/activity_identity_edit.xml

app/src/main/res/layout/activity_ignorerule_edit.xml

app/src/main/res/layout/activity_network_edit.xml

app/src/main/res/layout/activity_networkserver_edit.xml

app/src/main/res/layout/widget_settings_alias.xml

app/src/main/res/menu/chat.xml

app/src/main/res/values/strings_actions.xml

app/src/main/res/values/strings_coresettings.xml

app/src/main/res/values/strings_titles.xml