Fixed minor issues with "save changes" dialogs

...oid_ng/ui/coresettings/chatlist/ChatListEditActivity.java

...oid_ng/ui/coresettings/identity/IdentityEditActivity.java

.../coresettings/identity/nick/IdentityNickListActivity.java

...oid_ng/ui/coresettings/ignore/IgnoreRuleEditActivity.java

...droid_ng/ui/coresettings/network/NetworkEditActivity.java

...e/kuschku/util/ui/preferences/MaterialListPreference.java

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

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

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