Prepare push to trunk. Now working on version 3.1.8.

Review URL: http://codereview.chromium.org/6598035

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6965 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

ChangeLog

+2011-02-28: Version 3.1.7
+
+        Fixed a number of crash bugs.
+
+        Improved Crankshaft for x64 and ARM.
+
+        Fixed implementation of indexOf/lastIndexOf for sparse 
+        arrays (http://crbug.com/73940).
+
+        Fixed bug in map space compaction (http://crbug.com/59688).
+
+        Added support for direct getter accessors calls on ARM.
+
+
 2011-02-24: Version 3.1.6
 
         Fixed a number of crash bugs.

src/version.cc

@@ -34,7 +34,7 @@
 // cannot be changed without changing the SCons build script.
 #define MAJOR_VERSION     3
 #define MINOR_VERSION     1
-#define BUILD_NUMBER      7
+#define BUILD_NUMBER      8
 #define PATCH_LEVEL       0
 #define CANDIDATE_VERSION true