Stop support for Go1.3

.scripts/test_all.sh

@@ -16,7 +16,6 @@ go test $packages
 # The consul package only supports Go1.6+ and therefore we will only run the
 # corresponding tests on these versions.
 goversion=$(go version)
-if [[ "$goversion" != *"go1.3"* ]] &&
    [[ "$goversion" != *"go1.4"* ]] &&
    [[ "$goversion" != *"go1.5"* ]]; then
 

.travis.yml

@@ -1,6 +1,5 @@
 language: go
 go:
-- 1.3
 - 1.4
 - 1.5
 - 1.6

README.md

@@ -26,7 +26,7 @@ Windows in various formats of the
 
 **Requirements:**
 
-* [Go](http://golang.org/doc/install) (1.3 or newer)
+* [Go](http://golang.org/doc/install) (1.4 or newer)
 
 **Running tusd from source:**