Remove dot in qualifier to hopefully fix Sonatype issues

Author: oschwald

CHANGELOG.md

@@ -1,8 +1,8 @@
 CHANGELOG
 =========
 
-2.8.0-rc.1 (2016-06-20)
------------------------
+2.8.0-rc1 (2016-06-20)
+----------------------
 
 * IMPORTANT: Java 7 is now required. If you need Java 6 support, please
   continue using 2.7.0 or earlier.

dev-bin/release.sh

@@ -5,7 +5,7 @@ set -e
 VERSION=$(perl -MFile::Slurp::Tiny=read_file -MDateTime <<EOF
 use v5.16;
 my \$log = read_file(q{CHANGELOG.md});
-\$log =~ /\n(\d+\.\d+\.\d+(?:-[\d\w\.]+)) \((\d{4}-\d{2}-\d{2})\)\n/;
+\$log =~ /\n(\d+\.\d+\.\d+(?:-[\w\.\-]+)) \((\d{4}-\d{2}-\d{2})\)\n/;
 die 'Release time is not today!' unless DateTime->now->ymd eq \$2;
 say \$1;
 EOF
@@ -59,7 +59,7 @@ EOF
 export VERSION
 # alter the documentation to point to this version
 perl -pi -e 's/(?<=<version>)[^<]*/$ENV{VERSION}/' README.md
-perl -pi -e 's/(?<=com\.maxmind\.geoip2\:geoip2\:)\d+\.\d+\.\d+([\w\-]+)?/$ENV{VERSION}/' README.md
+perl -pi -e 's/(?<=com\.maxmind\.geoip2\:geoip2\:)\d+\.\d+\.\d+([\w\-\.]+)?/$ENV{VERSION}/' README.md
 cat README.md >> $PAGE
 
 if [ -n "$(git status --porcelain)" ]; then