Doc: Updated for Version 1.0-RC1

This patch updates the documentation landing
page (readme.rst) to reflect the latest
release (Version 1.0-RC1).

* Updated Sphynx documentation version tags
* Updated Doxygen documentation version tags
* Updated features/capabilities described in readme.rst

Change-Id: I273127e18b21e1c71feb140215f80a9826c0e0df
Signed-off-by: Galanakis, Minos <minos.galanakis@arm.com>
diff --git a/cmake/Common/BuildSphinxDoc.cmake b/cmake/Common/BuildSphinxDoc.cmake
index d3dd70f..9027495 100644
--- a/cmake/Common/BuildSphinxDoc.cmake
+++ b/cmake/Common/BuildSphinxDoc.cmake
@@ -83,8 +83,8 @@
 	#Version ID of TF-M.
 	#TODO: this shall not be hard-coded here. We need a process to define the
 	#      version number of the document (and TF-M).
-	set(SPHINXCFG_TFM_VERSION "1.0.0-Beta")
-	set(SPHINXCFG_TFM_VERSION_FULL "Version 1.0.0-Beta")
+	set(SPHINXCFG_TFM_VERSION "v1.0-RC1")
+	set(SPHINXCFG_TFM_VERSION_FULL "Version 1.0-RC1")
 
 	get_filename_component(_NDX_FILE_DIR ${SPHINX_CONFIGURED_INDEX_FILE} DIRECTORY )