Fix some checkstyle issues

Refactor the encryption preference authenticator

Utils: Add a basic implementation of an EncryptionManager which allows to store the password encrypted. This use the latest AndroidKeyStore from Android M and allow to store the key securely.

Switch to compileSdkVersion 23 Android Marshmallow !

Avatar: Remove Apache HttpClientAvatarRetriever which will be deprecated in android-6.0 We can use the standart java.net.http avatar retriever implementation.

BeemService: Use NotificationManagerCompat

Rework ChangeStatus to deal better with non standard CROP intent

Make AvatarProvider implement FileProvider to simplify the implementation

Exclude com.gogle.iosched from the checkstyle task

Fix a lot of indentation issues with checkstyle

Fix checkstyle issue in otr package

Fix a few checkstyle errors

Catch possible NumberFormatException in wizard

Allow ProgressDialog to lose state in the account wizard. This should fix bugs caused by the behavior described here http://www.androiddesignpatterns.com/2013/08/fragment-transaction-commit-state-loss.html

Fix potential NPE when the connection is not created yet when the service is destroyed

Checkstyle: enhance checkstyle rules for import

Fix checkstyle issues on ContactList

ContactList: Remove static import *

ContactList: Call adapter.remove() method on main thread. This fix a long time IndexOutOfBoundsException.

Use latest support library

Use support library v4

Just set a warning lint for invalid package

Add gradle task to generate javadoc

Fix some lint errors

Move all smileys definitions

emove unused PrivacyList and fix some lint errors

Move mms smileys into its own module

Move stroke to its own module

Move MemorizingTrustManager into its own module

OTR: Update to otr4j-0.22

Add checkstyle configuration to gradle

Update install instructions

Move the app into an app submodule which respect the default gradle layout

Use latest gradle

Add basic gradle compilation script

Make the project compile with SDK 21 (lollipop)

Update to latest version of the Android support library

Use PagerSlidingTabStrip in ContactList activity

Add Android PagerSlidingTabStrip library, an Interactive paging indicator widget This library can be found at https://github.com/astuetz/PagerSlidingTabStrip/ and we currently use the v1.0 tag

ContactList: Separate creation of ContactListAdapter and managment of the group list This is two separate things. getContactListAdapter is called in ContactListFragment.onActivityCreated() which is during a fragment transaction. Management of the group list calls FragmentPagerAdapter.notifyDataSetChanged() which repopulate the FragmentPagerAdapter and to do so calls FragmentManager.executePendingTransactions() in a recursive way and is not allowed (IllegalStateException).

Disable stopping the service if it wasnot explicitelly requested by user.

Added tag 0.1.8 for changeset a221cd4a5413

Bump version 0.1.8

Added tag 0.1.8 for changeset 6b19c7c8c280

Add J. Pinkava in contributors

Add Basque translation. fix #452

Update swedish translation

Update chinese translation

Update spanish translation

Scram-Sha-1 mechanism : do not send authzid if it not absolutely necessary Some servers (ejabberd) reject the challenge if the scram attributes a (authzid) and n (authcid) are equals or they just don't handle the authzid. So we just don't send it if they are the same This fix #484

Added tag 0.1.8_rc2 for changeset 5aa4849e9343

Bump version to 0.1.8_rc2

Added tag 0.1.8_rc1 for changeset d9a3b8cf456e

Bump version. Firs release candidate of 0.1.8

Correct some lint errors

Discover Server features right after connection. In the same time, postpone the load of the roster. This avoid a timeout on the discovery request sent to the server. The timeout is caused by receiving big rosters.

Checkstyle

smack.sasl: simplify conversion bytes->hex string

fix Remko's currly part of name

remove unused variables, properly close streams