Fix Debian package lint warnings (#513)

* debian package: fix lint warnings

Unknown section security.
Package description line is longer than 80 chars.
Images and licenses have executable perm.

Signed-off-by: Sergey Ponomarev <stokito@gmail.com>

* deb and rpm: remove /lib/appbundler-1.0ea.jar from the package

The appbundler is an Ant task and doesn't have any effect in the runtime.
So we should remove it from the built package.
This is the only lib in the /lib dir so let's exclude it fully

Signed-off-by: Sergey Ponomarev <stokito@gmail.com>

---------

Signed-off-by: Sergey Ponomarev <stokito@gmail.com>

kse/build.gradle

@@ -462,8 +462,10 @@ ospackage {
 
 	url "${website}"
 	summary "Multipurpose keystore and certificate tool"
-	packageGroup 'Security'
-	packageDescription 'KeyStore Explorer is a user friendly GUI application for creating, managing and examining keystores, keys, certificates, certificate requests, certificate revocation lists and more.'
+	packageGroup 'utils'
+	packageDescription 'KeyStore Explorer is a user friendly GUI application for creating,\n' +
+			'managing and examining keystores, keys, certificates, certificate requests,\n' +
+			'certificate revocation lists and more.'
 	license 'GPLv3+'
 	packager ''
 	vendor "${vendor}"
@@ -479,13 +481,11 @@ ospackage {
 	from(configurations.runtimeClasspath.files) {
 		into 'lib'
 	}
-	from('lib') {
-		into 'lib'
-	}
 	from(licensesDir) {
 		include '**/*.txt'
 		into 'licenses'
 		fileType LICENSE
+		fileMode 0644
 	}
 	from(iconsDir) {
 		include '**/kse_*.png'
@@ -509,6 +509,7 @@ ospackage {
 	link('/usr/share/applications/kse.desktop', '/opt/kse/kse.desktop', 0644)
 	for (size in [16, 32, 48, 128, 256, 512]) {
 		link("/usr/share/icons/hicolor/${size}x${size}/apps/kse.png", "/opt/kse/icons/kse_${size}.png", 0644)
+		fileMode 0644
 	}
 }