update version numbers for 0.8.4

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
diff --git a/Doxyfile b/Doxyfile
index eca888d..4f45f34 100644
--- a/Doxyfile
+++ b/Doxyfile
@@ -31,7 +31,7 @@
 # This could be handy for archiving the generated documentation or
 # if some version control system is used.
 
-PROJECT_NUMBER         = 0.8.3
+PROJECT_NUMBER         = 0.8.4
 
 # The OUTPUT_DIRECTORY tag is used to specify the (relative or absolute)
 # base path where the generated documentation will be put.
diff --git a/RELEASE b/RELEASE
index ee94dd8..b60d719 100644
--- a/RELEASE
+++ b/RELEASE
@@ -1 +1 @@
-0.8.3
+0.8.4
diff --git a/VERSION b/VERSION
index ee94dd8..b60d719 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-0.8.3
+0.8.4