v2.0.2-rc (#27)

## v2.0.2-rc

### BREAKING CHANGES

* Refactored `config.json` - will need to verify configuration settings prior to mounting

### Issues

* \#12 \[Unit Test\] Complete all providers unit tests
* \#14 \[Unit Test\] SQLite mini-ORM unit tests and cleanup
* \#16 Add support for bucket name in Sia provider
* \#17 Update to common c++ build system
  * A single 64-bit Linux Jenkins server is used to build all Linux and Windows versions
  * All dependency sources are now included
  * MSVC is no longer supported
  * MSYS2 is required for building Windows binaries on Windows
  * OS X support is temporarily disabled
* \#19 \[bug\] Rename file is broken for files that are existing
* \#23 \[bug\] Incorrect file size displayed while upload is pending
* \#24 RocksDB implementations should be transactional
* \#25 Writes should block when maximum cache size is reached
* \#26 Complete ring buffer and direct download support

### Changes from v2.0.1-rc

* Ability to choose between RocksDB and SQLite databases
* Added direct reads and implemented download fallback
* Corrected file times on S3 and Sia providers
* Corrected handling of `chown()` and `chmod()`
* Fixed erroneous download of chunks after resize

Reviewed-on: #27

cmake/libraries/sqlite.cmake

@@ -0,0 +1,29 @@
+if(PROJECT_ENABLE_SQLITE)
+  if(PROJECT_BUILD)
+    add_definitions(-DPROJECT_ENABLE_SQLITE)
+    if (PROJECT_IS_MINGW AND NOT PROJECT_IS_MINGW_UNIX)
+      pkg_check_modules(SQLITE3 REQUIRED sqlite3>=${SQLITE2_VERSION})
+      include_directories(SYSTEM BEFORE ${SQLITE3_INCLUDE_DIRS})
+      link_libraries(${SQLITE3_LIBRARIES})
+    else()
+      set(SQLITE_SYSTEM_ROOT ${PROJECT_BUILD_DIR}/external/src/sqlite_project)
+
+      include_directories(SYSTEM BEFORE ${SQLITE_SYSTEM_ROOT})
+
+      list(APPEND PROJECT_ADDITIONAL_SOURCES
+        ${SQLITE_SYSTEM_ROOT}/sqlite3.c
+      )
+    endif()
+  elseif(NOT PROJECT_IS_MINGW OR PROJECT_IS_MINGW_UNIX)
+    ExternalProject_Add(sqlite_project
+      PREFIX external
+      URL ${PROJECT_3RD_PARTY_DIR}/sqlite-amalgamation-${SQLITE_VERSION}.zip
+      URL_HASH SHA256=${SQLITE_HASH}
+      CONFIGURE_COMMAND echo "No configure"
+      BUILD_COMMAND echo "No build"
+      INSTALL_COMMAND echo "No install"
+    )
+
+    list(APPEND PROJECT_DEPENDENCIES sqlite_project)
+  endif()
+endif()