Start 1.27.0 development cycle

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
diff --git a/Makefile b/Makefile
index 23518ac..e8b23fe 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
 VERSION = 1
-PATCHLEVEL = 26
+PATCHLEVEL = 27
 SUBLEVEL = 0
-EXTRAVERSION =
+EXTRAVERSION = .git
 NAME = Unnamed
 
 # *DOCUMENTATION*