travis: Convert the checking stuff to scripts.

Signed-off-by: Tim 'mithro' Ansell <tansell@google.com>

.github/check_license.sh

@@ -27,7 +27,7 @@ if [ ! -z "$ERROR_FILES" ]; then
     for file in $ERROR_FILES; do
         echo "ERROR: $file does not have license information."
     done
-    return 1
+    exit 1
 fi
 
 echo
@@ -62,5 +62,5 @@ if [ ! -z "$ERROR_NO_LICENSE" ]; then
     for dir in $ERROR_NO_LICENSE; do
         echo "ERROR: $dir does not have the LICENSE file."
     done
-    return 1
+    exit 1
 fi

.github/check_python_scripts.sh

@@ -31,7 +31,7 @@ if [ ! -z "$ERROR_FILES_SHEBANG" ]; then
     for file in $ERROR_FILES_SHEBANG; do
         echo "ERROR: $file does not have the python3 shebang."
     done
-    return 1
+    exit 1
 fi
 
 if [ ! -z "$ERROR_FILES_UTF_CODING" ]; then
@@ -39,7 +39,7 @@ if [ ! -z "$ERROR_FILES_UTF_CODING" ]; then
         echo "ERROR: $file does not have the UTF encoding set."
 	echo "Add # coding: utf-8"
     done
-    return 1
+    exit 1
 fi
 
 echo

.travis.yml

@@ -35,5 +35,5 @@ jobs:
 
     - name: "License Checks"
       script:
-        - source .github/check_license.sh
-        - source .github/check_python_scripts.sh
+        - ./.github/check_license.sh
+        - ./.github/check_python_scripts.sh