Merged branch 'master' into nextgenv2

Resolved Conflicts in the following files:
        configure
        vp10/common/idct.c
        vp10/encoder/dct.c
        vp10/encoder/encodemb.c
        vp10/encoder/rdopt.c

Change-Id: I4cb3986b0b80de65c722ca29d53a0a57f5a94316
diff --git a/configure b/configure
index 508afd1..8e3f24e 100755
--- a/configure
+++ b/configure
@@ -724,6 +724,10 @@
         check_add_cflags ${extra_cflags} || \
         die "Requested extra CFLAGS '${extra_cflags}' not supported by compiler"
     fi
+    if [ -n "${extra_cxxflags}" ]; then
+        check_add_cxxflags ${extra_cxxflags} || \
+        die "Requested extra CXXFLAGS '${extra_cxxflags}' not supported by compiler"
+    fi
 }