Extend testing to all source code

Signed-off-by: Cristian Maglie <c.maglie@arduino.cc>

Author: cmaglie

.travis.yml

@@ -13,7 +13,7 @@ install:
 
 script:
   - go build -v arduino.cc/arduino-builder
-  - go test -v -timeout 30m -covermode=count -coverprofile=coverage.out arduino.cc/builder/test
+  - go test -v -timeout 30m -covermode=count -coverprofile=coverage.out arduino.cc/...
   - bin/goveralls -coverprofile=coverage.out -service=travis-ci -repotoken $COVERALLS_TOKEN
 
 env:

README.md

@@ -75,7 +75,7 @@ go build arduino.cc/arduino-builder
 In order to run the tests, type:
 
 ```
-go test arduino.cc/builder/test
+go test arduino.cc/...
 ```
 
 This runs all tests, showing any failures and a summary at the end.
@@ -89,13 +89,13 @@ To run a single test, use the -run option, which accepts a regular
 expression (see also go help testflag).
 
 ```
-go test arduino.cc/builder/test -run 'TestBuilderEmptySketch'
-go test arduino.cc/builder/test -run 'TestPrototypesAdder.*'
+go test arduino.cc/... -run 'TestBuilderEmptySketch'
+go test arduino.cc/... -run 'TestPrototypesAdder.*'
 ```
 
 In jenkins, use
 ```
-go test -v arduino.cc/builder/test | bin/go-junit-report > report.xml
+go test -v arduino.cc/... | bin/go-junit-report > report.xml
 ```
 
 The first time you run the tests, some needed files (toolchains and