Update change log and vesion number for v8.0.0-rc1

Author: kmurray

CHANGELOG.md

@@ -35,6 +35,19 @@ of the unreleased and any previous release candidates change logs.
 ## Unreleased
 _The following are changes which have been implemented in the VTR master branch but have not yet been included in an official release._
 
+### Added
+
+### Changed
+
+### Fixed
+
+### Deprecated
+
+### Removed
+
+
+## v8.0.0-rc1 - 2019-06-13
+
 ### Added
  * Support for arbitrary FPGA device grids/floorplans
  * Support for clustered blocks with width > 1

CMakeLists.txt

@@ -35,7 +35,7 @@ option(ODIN_DEBUG "Enable building oding with extra debug flags" OFF)
 set(VTR_VERSION_MAJOR 8)
 set(VTR_VERSION_MINOR 0)
 set(VTR_VERSION_PATCH 0)
-set(VTR_VERSION_PRERELEASE "dev")
+set(VTR_VERSION_PRERELEASE "rc1")
 
 include(FilesToDirs)