Update version to 2.3.0

Author: lehitoskin

Makefile.posix

@@ -1,5 +1,5 @@
 DESTDIR = /usr/local
-DOCDIR = "$(DESTDIR)/share/doc/ivy-2.2.2"
+DOCDIR = "$(DESTDIR)/share/doc/ivy-2.3.0"
 MANDIR = "$(DESTDIR)/share/man/man1"
 
 RACO = raco

files.rkt

@@ -6,7 +6,7 @@
          racket/file)
 (provide (all-defined-out))
 
-(define ivy-version "2.2.2")
+(define ivy-version "2.3.0")
 
 ; base directory where ivy will put all of its files
 (define ivy-path