Travis fixes for Qt5.4

.travis.yml

@@ -2,16 +2,16 @@ language: go
 go:
   - tip
 before_install:
-  - sudo add-apt-repository ppa:ubuntu-sdk-team/ppa -y
+  - sudo add-apt-repository ppa:beineri/opt-qt54 -y
   - sudo apt-get update -qq
-  - sudo apt-get install -yqq libgmp3-dev qtbase5-private-dev qtdeclarative5-private-dev libqt5opengl5-dev libreadline6-dev
+  - sudo apt-get install -yqq libgmp3-dev libreadline6-dev qt54quickcontrols qt54webengine
 install:
   - go get code.google.com/p/go.tools/cmd/goimports
   - go get github.com/golang/lint/golint
   # - go get golang.org/x/tools/cmd/vet 
   - if ! go get code.google.com/p/go.tools/cmd/cover; then go get golang.org/x/tools/cmd/cover; fi
   - go get github.com/mattn/goveralls
-  - go get gopkg.in/qml.v1
+  - go get -d github.com/obscuren/qml && cd $HOME/gopath/src/github.com/obscuren/qml && git checkout v1 && cd $TRAVIS_BUILD_DIR
   - ETH_DEPS=$(go list -f '{{.Imports}} {{.TestImports}} {{.XTestImports}}' github.com/ethereum/go-ethereum/... | sed -e 's/\[//g' | sed -e 's/\]//g' | sed -e 's/C //g'); if [ "$ETH_DEPS" ]; then go get $ETH_DEPS; fi
 before_script:
   - gofmt -l -w .
@@ -22,5 +22,8 @@ before_script:
 script:
   - ./gocoverage.sh
 env:
-  - secure: "U2U1AmkU4NJBgKR/uUAebQY87cNL0+1JHjnLOmmXwxYYyj5ralWb1aSuSH3qSXiT93qLBmtaUkuv9fberHVqrbAeVlztVdUsKAq7JMQH+M99iFkC9UiRMqHmtjWJ0ok4COD1sRYixxi21wb/JrMe3M1iL4QJVS61iltjHhVdM64="
+  global:
+    - PKG_CONFIG_PATH=/opt/qt54/lib/pkgconfig
+    - LD_LIBRARY_PATH=/opt/qt54/lib
+    - secure: "U2U1AmkU4NJBgKR/uUAebQY87cNL0+1JHjnLOmmXwxYYyj5ralWb1aSuSH3qSXiT93qLBmtaUkuv9fberHVqrbAeVlztVdUsKAq7JMQH+M99iFkC9UiRMqHmtjWJ0ok4COD1sRYixxi21wb/JrMe3M1iL4QJVS61iltjHhVdM64="