Exclude txt files that are copied verbatim to generated project and should not have license headers.

buildSrc/src/main/groovy/org/apache/polygene/gradle/structure/distributions/DistributionsPlugin.groovy

diff --git a/buildSrc/src/main/groovy/org/apache/polygene/gradle/structure/distributions/DistributionsPlugin.groovy b/buildSrc/src/main/groovy/org/apache/polygene/gradle/structure/distributions/DistributionsPlugin.groovy
index f6eee1f..1fa7936 100644
--- a/buildSrc/src/main/groovy/org/apache/polygene/gradle/structure/distributions/DistributionsPlugin.groovy
+++ b/buildSrc/src/main/groovy/org/apache/polygene/gradle/structure/distributions/DistributionsPlugin.groovy
@@ -165,6 +165,10 @@
       spec.exclude '**/.nb-gradle/**'        // Netbeans files
       spec.exclude '**/.nb-gradle*'          // Netbeans files
 
+      // Polygene Generator files
+      spec.exclude '**/customUnixStartScript.txt'
+      spec.exclude '**/customWindowsStartScript.txt'
+
       spec.into '.'
     }
     def srcDistSupplementaryFilesCopySpec = project.copySpec { CopySpec spec ->