Bump version to 1.0.0-alpha

Author: pseudomuto

.travis.yml

@@ -1,5 +1,8 @@
 language: go
-sudo: false
+sudo: required
+
+services:
+  - docker
 
 env:
   global:
@@ -14,7 +17,6 @@ cache:
 
 go:
   - 1.8.x
-  - master
 
 install:
   - if [ ! -d "${PROTOC_TARGET}" ]; then curl -fsSL "$PROTOC_RELEASE" > "${PROTOC_TARGET}.zip"; fi

version.go

@@ -1,4 +1,4 @@
 package gendoc
 
 // VERSION is the version of protoc-gen-doc being used.
-const VERSION = "1.0.0"
+const VERSION = "1.0.0-alpha"