Minor fixes.
Squashed commit of the following:

commit c8899f002549b2bbdbc2a418a1504b3e43931960
Author: Kirill Rozov <kirich1409@gmail.com>
Date:   Fri Jul 25 15:11:33 2014 +0300

    Revert store public keys to default.

commit dbb354af163f2d3365ed08f803576d9589fd057b
Merge: 96d4ef8 8f0660b
Author: Kirill Rozov <kirich1409@gmail.com>
Date:   Fri Jul 25 15:06:00 2014 +0300

    Merge branch 'master' into 168-update-lifeopeniab-sample

commit 96d4ef8d7a39998a01a679bf5c796ee8c008f490
Merge: 950fad2 63341a1
Author: Kirill Rozov <kirich1409@gmail.com>
Date:   Fri Jul 25 15:04:58 2014 +0300

    Merge branch 'master' into 168-update-lifeopeniab-sample

    Conflicts:
    	samples/life_openiab/src/org/onepf/life/LifeViewRenderer.java

commit 950fad23f0828c4527bd99cf545a7888e0e83c5f
Author: Kirill Rozov <kirich1409@gmail.com>
Date:   Fri Jul 25 15:00:13 2014 +0300

    Minor fixes.

commit 8f0660b8b7de21792104ce90ea21181a222f8872
Merge: 63341a1 ddc2332
Author: Anastasiia Karimova <akarimova@users.noreply.github.com>
Date:   Fri Jul 25 15:57:00 2014 +0400

    Merge pull request #270 from kirich1409/options_builder_proguard

    Fix proguard for Unity.

commit ddc23327a37d4215f1a48a7d7878a00478ac730b
Author: Kirill Rozov <kirich1409@gmail.com>
Date:   Fri Jul 25 14:55:09 2014 +0300

    Fix proguard for Unity.

commit 2d00a206485d59b27307067bfd33a7a72277dccd
Author: Kirill Rozov <kirich1409@gmail.com>
Date:   Fri Jul 25 14:33:08 2014 +0300

    Change logs.

commit b45a11f1964b7893c622ec2bf61180b1db13f2dd
Author: Kirill Rozov <kirich1409@gmail.com>
Date:   Fri Jul 25 13:50:16 2014 +0300

    Fix crashes on dialog with problem.

commit 63341a10b6152cef24ecd6954e43c8d28153b2af
Author: akarimova <anastasiya.dremina@gmail.com>
Date:   Fri Jul 25 14:18:11 2014 +0400

    changed Samsung SKU requirements #264

commit 05f215c84639b61b7ed6188a669f124c68a09c0a
Author: Kirill Rozov <kirich1409@gmail.com>
Date:   Fri Jul 25 12:21:16 2014 +0300

    Minor fixes.

commit 8a12a7d9a56c0f1256e916596bc572b290b84d44
Author: Kirill Rozov <kirich1409@gmail.com>
Date:   Fri Jul 25 12:01:36 2014 +0300

    Minor fixes.

commit 2d5b3c621097fdc8225f738223a1accb7642243b
Merge: 3a38833 90a1fc0
Author: Anastasiia Karimova <akarimova@users.noreply.github.com>
Date:   Fri Jul 25 12:51:12 2014 +0400

    Merge pull request #269 from kirich1409/options_builder_proguard_fix

    Fix proguard for Options.Builder.

commit 90a1fc082d0cb7920e299dcd2e45ed9eb9feb13e
Author: Kirill Rozov <kirich1409@gmail.com>
Date:   Fri Jul 25 11:46:00 2014 +0300

    Fix proguard for Options.Builder.

commit 3ab9531266045cb9dc034085f015cb6c7d21435d
Author: Kirill Rozov <kirich1409@gmail.com>
Date:   Fri Jul 25 10:52:49 2014 +0300

    Refactor LifeView.

commit 92f40245c2391eeb9ec2564a676ba059b38c3265
Author: Kirill Rozov <kirich1409@gmail.com>
Date:   Fri Jul 25 07:49:58 2014 +0300

    Refactor preferences.
    Change gradle module names.

commit 97c1f59c3df71f2bbebbb7ccbd0fee36eefe9812
Author: Kirill Rozov <kirich1409@gmail.com>
Date:   Thu Jul 24 19:19:10 2014 +0300

    Refactor settings.

commit 9de6c1084282bc8b73cf3afc2b5a18320ad34f64
Author: Kirill Rozov <kirich1409@gmail.com>
Date:   Thu Jul 24 18:48:08 2014 +0300

    Refactor SurfaceView.

commit 3a388336e450176206e8a98b1f6f93eee97043aa
Merge: e1ad38b d16991b
Author: Anastasiia Karimova <akarimova@users.noreply.github.com>
Date:   Thu Jul 24 19:35:48 2014 +0400

    Merge pull request #263 from kirich1409/keystores

    Add keystore to samples.

commit 828256eb2ca89236ae09907f5d375d8dad1df177
Author: Kirill Rozov <kirich1409@gmail.com>
Date:   Thu Jul 24 17:04:40 2014 +0300

    Refactore LifeOpenIab sample.

commit d16991b09162f22472a71b0e85f537186aed265b
Author: Kirill Rozov <kirich1409@gmail.com>
Date:   Thu Jul 24 16:00:15 2014 +0300

    Remove suppress annotations.

commit 9f29fe6f6d7cd740b96adad7e543bbe5b7c404ec
Author: Kirill Rozov <kirich1409@gmail.com>
Date:   Wed Jul 23 10:38:05 2014 +0300

    Add keystore to samples.
Merge branch 'master' into 168-update-lifeopeniab-sample

Conflicts:
	gradle/wrapper/gradle-wrapper.properties
	samples/life_openiab/src/org/onepf/life/LifeViewRenderer.java
Merge pull request #271 from kirich1409/168-update-lifeopeniab-sample

168 update lifeopeniab sample