add changelog, lowercasing some doc files

Author: Joerg Boeselt

AUTHORS.md renamed to authors.md

@@ -0,0 +1,130 @@
+## Version 0.10.0 FutureReady
+
+>This version is **NOT COMPATIBLE** with older lxHive versions. (server requirements, codebase, database model).
+
+Currently there are no plans to release database migration functionality. Please launch a request to `[email protected]` if you need help with migrating records from older lxHive versions.
+
+#### Summary
+Extensive changes in regards to stability, testability, reporting administration and configurability.
+This release focuses on support for modern server environments and advances in an overall simplification and refactoring process.
+
+* PHP 7 support
+* Slim 3
+* Replace legacy Mongo Driver with [MongoDB](http://php.net/manual/en/set.mongodb.php)
+* Advanced reporting queries with the new ExtendedQuery Extension
+
+#### Misc, General code refactor
+* Consolidation of exception handling
+* Code separation, restructuring and division into modules, controllers, services and APIs
+* Decoupling third-party dependencies (notably Slim)
+* Consistent use of dependency containers for services
+* Removing logic out of index.php into new Bootstrap module; index.php now only has 3 LOC
+* Support for Monolog handlers for production and development mode: ChromePHPHandler, FirePHPHandler, Streamhandler, ErrorLogHandler
+* Removal of obsolete code
+* Increase of code testability
+* Separation of autoloading for unit tests and benchmarks
+* Linting, PSR-1, CircleCI
+* Improved /about endpoint includes extensions and LRS information
+* Consolidation of agent and uuid processing
+
+#### ExtendedQuery Extension (new)
+* Fragmented reporting queries, closely modelled on MongoDB, query language
+* Documentation in progress
+
+#### Configuration Module (new)
+* Extensive model changes
+* Templates
+* Globally accessible config service
+* Version awareness
+* New authentication scopes configuration
+* Configuration model for extensions
+* Documented config template
+
+#### Bootstrap Module (new)
+* New Bootstrap module loads configuration and boots app
+* Boot modes: Web (default), Console, Testing, Config, None
+* Service container creation according to boot modes
+
+#### Parser Module (rewrite)
+* Combining parser logic in parser module
+* Switch payload parsing to stdClass
+
+#### Controller Module (rewrite)
+* Migrate controller logic from ols Resource into new "Controller" module
+* Improved permission validation
+
+#### Router Module (new)
+* Lightweight and extendable router API
+
+#### Authentication Module (rewrite)
+* New centralised Auth Service is faster and easier to configure
+* Removed AuthScopes collection, services and models
+* Permission inheritance and user ID
+* Changes to oAuth and basicAuth services
+
+#### Database/Storage module (replaced):
+* PHP 7 ready: switch to ‘ext-mongodb’, removed support for legacy `ext-mongo`
+* Complete new low-level Storage API
+* Performance improvements by removing all third-party dependencies
+* Basic schema
+* Collection Indexing
+* Query expression API
+* Started unifying document properties
+* Statement documents include user ID
+
+#### Admin API (new)
+* Bundled administrative tasks into new API
+* Input validators
+* Most administrative tasks are now REST ready (next milestone)
+
+#### Extensions API (new)
+* Installation
+* Configuration
+* Model
+* Controller
+* Symfony events
+
+#### Validator Module (changes)
+* Slight improvements to JSON validator
+* Debug mode for HTTP errors
+* Conformance improvements
+
+#### Admin Console (changes)
+* New multistep ./X setup command
+* Removed obsolete "AuthScopes" commands
+* ./X status command give LRS status report
+* Improved output styling and added command hints
+* Strict validation for emails and passwords
+
+#### Unit test (new)
+* PHPUnit configurations, base classes, with instructions and examples
+* Started migration tests
+* Mongo test API
+
+#### Benchmarking (new)
+* PHPBench support and configuration
+
+#### Third Party support
+* Removed sokil/php-mongo
+* Switch to Slim 3 (see above); decoupling from code
+* General review of dependencies, removed obsolete ones, updated others
+
+#### PHPDoc:
+* Removed "docs" folder with compiled documents to keep documentation current
+* Added bash script helper for documentation generation
+* Continued to add missing code documentation
+* Changes to Sami configuration
+
+----
+
+## Version 0.9.1
+
+* include StatementRefs in StatementResults
+* mongo log
+* console improvements
+* migration script
+* default (token based) statement.authority
+* GET /statments format param implementation
+* improved oAuth views with configurable css, logo
+* statement attachments (multipart): support for utf-8 and base64
+* conformance improvements