Support for RxJava3

SyncConfig has been extended by environment field

• Fix: ignore empty asset fields
• Update: Contentful CDA SDK to version 10.1.0.

• Change: use https for asset urls.
• Change: Use CDA SDK 10.0.0 and throw if environments are used.
• Change: Locale handling: CDA 10 uses /locales and not /space.locales, update tests and internal structure.

• Add: Database pre seeding utility
• Update: Contentful CDA SDK to include Android pre 5.0 auto configured TLS 1.2.

• Add: update CDA SDK
• Remove: Synthetic methods

• Fix: Do not use a properties file for version name storage.
• Fix: Update version of CDA SDK to include non properties file loading.

Fixes

• Circular dependencies on links

Changes

• Remove direct client passing through. Please use a SyncConfig.Builder().

Updates

• Contentful 8.0.0 (was 7.2.0)
• rx Java 2.1.1 (was 1.0.14)
• okhttp 3.8.1 (was 2.5.0)
• robolectric 3.3.2 (was 3.0)
• truth 0.34 (was 0.25)
• compile-testing 0.9 (was 0.6)
• guava 22.0 (was 18.0)
• commons-io 2.5 (was 2.4)
• junit 4.12 (was 4.10)

• Updating to newest Contentful Delivery Api SDK, adding limited support for sync in preview.

Version [2.0.0] - 2016-04-15

• changed: update cda to 7.0.0

• NOTE: This release introduces backwards incompatible changes to any existing database schemas, when upgrading make sure to bump the dbVersion attribute on your Space.
• NOTE: Also: Indicate satisfaction with current stability of api
• fixed: Use correct text type for sql statements

• Fixed: Non-localized arrays of links now resolve properly.

• Fixed: Incorrect persistence of localized links.

• Changed: Use contentful.java v5.0.1 (fixes CME for localized link fields pointing to non-existing resources).

• Fixed: DB upgrade failures.

• NOTE: This release introduces backwards incompatible changes to any existing database schemas, when upgrading make sure to bump the dbVersion attribute on your Space.
• New: Simplified extension Vault.requestSync(CDAClient).
• Changed: Asset attrs are now final.
• Changed: Compiler will fail for static @Field elements.
• Changed: Compiler will fail for private @Field elements.
• Changed: RxJava v1.0.14.
• Changed: OkHttp v2.5.0.
• Changed: contentful.java v4.0.2.
• Changed: Project now uses Java 7 language level.
• Fixed: Preserve order for arrays of links.
• Fixed: Duplicate array links are no longer squashed.

• New: Support multiple locales per space. Locales to persist must be explicitly defined with the @Space annotation.
• Changed: Better error handling when initializing vault with an invalid class.
• Changed: Declaring a model with no fields will fail at compile-time.

• New: RxJava support with Vault.observe() and Vault.observeSyncResults().
• New: SyncResult class to represent a result of sync operation.
• Changed: SyncCallback replaced onSuccess() and onFailure() with onResult(SyncResult).
• Changed: RxJava v1.0.13.

• Changed: Use contentful.java v4.0.1 (fixes NPE for entires with null links).

• NOTE: This release introduces backwards incompatible changes to any existing database schemas, when updating make sure to bump the dbVersion attribute on your Space, in order to apply a migration.
• New: Support using a pre-existing vault database with the copyPath attribute on @Space.
• New: Compiler now injects static $Fields class to every model, reflecting the model's column names.
• New: Add Asset.Fields class.
• New: Add BaseFields class with common resource column names.
• Changed: Use contentful.java v4.0.0.
• Changed: Proguard configuration update to keep generated $Fields classes.
• Fixed: Add missing asset metadata: title, description and file map.