configure: Update date, version and add project URL (#1379)

Signed-off-by: NStefan Weil <sw@weilnetz.de>

configure.ac

@@ -6,7 +6,10 @@
 # Initialization
 # ----------------------------------------
 AC_PREREQ([2.59])
-AC_INIT([tesseract], [4.00.00dev], [https://github.com/tesseract-ocr/tesseract/issues])
+AC_INIT([tesseract],
+        [4.0.0-beta.1],
+        [https://github.com/tesseract-ocr/tesseract/issues],,
+        [https://github.com/tesseract-ocr/tesseract/])
 AC_PROG_CXX([g++ clang++])
 AC_LANG([C++])
 AC_LANG_COMPILER_REQUIRE
@@ -18,8 +21,8 @@ AC_PREFIX_DEFAULT([/usr/local])
 
 # Define date of package, etc. Could be useful in auto-generated
 # documentation.
-PACKAGE_YEAR=2016
-PACKAGE_DATE="11/11"
+PACKAGE_YEAR=2018
+PACKAGE_DATE="03/12"
 
 abs_top_srcdir=`AS_DIRNAME([$0])`
 gitrev="`git --git-dir=${abs_top_srcdir}/.git --work-tree=${abs_top_srcdir} describe --always --tags`"