add an integration test for the github asset strip_path param

Author: laverya

integration/init_app/github-template-func/expected/.ship/release.yml

@@ -20,6 +20,13 @@ assets:
         dest: ./github-noslash
         source: public
         ref: ad1e78d13c33fae7a7ce22ed19920945ceea23e9
+    - github:
+        repo: replicatedhq/test-charts
+        path: template-functions
+        dest: ./github-stripped
+        strip_path: "{{repl ParseBool \"true\"}}"
+        source: public
+        ref: ad1e78d13c33fae7a7ce22ed19920945ceea23e9
 config:
   v1:
     - name: option_group

integration/init_app/github-template-func/expected/installer/github-stripped/config.md

@@ -0,0 +1,3 @@
+#This file tests a part of the Config suite of template functions in Ship
+
+Config option: abc123

integration/init_app/github-template-func/expected/installer/github-stripped/installation.md

@@ -0,0 +1,4 @@
+#This file tests a part of the Integration suite of template functions in Ship
+
+Release semver: 1.0.1-SNAPSHOT
+

integration/init_app/github-template-func/expected/installer/github-stripped/static.md

@@ -0,0 +1,4 @@
+#This file tests a part of the Static suite of template functions in Ship
+
+TwoPlusTwo: 4
+UPPERCASE: UPPERCASE

integration/init_app/github-template-func/input/.ship/release.yml

@@ -20,6 +20,13 @@ assets:
         dest: ./github-noslash
         source: public
         ref: ad1e78d13c33fae7a7ce22ed19920945ceea23e9
+    - github:
+        repo: replicatedhq/test-charts
+        path: template-functions
+        dest: ./github-stripped
+        strip_path: "{{repl ParseBool \"true\"}}"
+        source: public
+        ref: ad1e78d13c33fae7a7ce22ed19920945ceea23e9
 config:
   v1:
     - name: option_group