Move ci related scripts to ci directory. Also make some minor changes…

… to the ci files.

.travis.yml

@@ -8,9 +8,11 @@ go:
   - 1.7
   - 1.8
 
+install: export PATH=$(go env GOPATH)/bin:$PATH
+
 script:
   - go build ./...
   - go install github.com/golang/mock/mockgen
-  - ./check_go_fmt.sh
-  - ./check_go_generate.sh
+  - ./ci/check_go_fmt.sh
+  - ./ci/check_go_generate.sh
   - go test -v ./...

check_go_fmt.sh → ci/check_go_fmt.sh

@@ -2,9 +2,8 @@
 # This script is used by the CI to check if the code is gofmt formatted.
 
 set -euo pipefail
-cd "$( dirname "$0" )"
 
-GOFMT_DIFF=$( gofmt -d $( IFS='\n'; find . -type f -name '*.go' ) )
+GOFMT_DIFF=$(IFS=$'\n'; gofmt -d $( find . -type f -name '*.go' ) )
 if [[ -n "${GOFMT_DIFF}" ]]; then
     echo "${GOFMT_DIFF}"
     echo

check_go_generate.sh → ci/check_go_generate.sh

@@ -8,7 +8,6 @@
 # each time before executing this script.
 
 set -euo pipefail
-cd "$( dirname "$0" )"
 
 TEMP_DIR=$( mktemp -d )
 function cleanup() {