chore: travis.yml must use project variable

Changing variable for test purpose can then be done via travis variable.
Lees need to change/update this travis.yml again.

Author: GerryFerdinandus

.travis.yml

@@ -9,21 +9,19 @@ dist: trusty
 
 env:
   global:
-    - LPI_EDITOR_PATH=source/project/tracker_editor
-    - LPI_UNIT_TEST_PATH=source/project/unit_test
     - WINEPREFIX=~/.winelaz
     - DISPLAY=:99.0
 
 # For windows build (win32) use linux wine.
 matrix:
   include:
     - os: linux
-      env: LAZ_VER=1.6.2  LAZ_ENV=wine WINEARCH=win32 LAZ_OPT="--os=win32 --cpu=i386"
+      env: LAZ_VER=$PROJECT_LAZARUS_VERSION  LAZ_ENV=wine WINEARCH=win32 LAZ_OPT="--os=win32 --cpu=i386"
     - os: linux
-      env: LAZ_VER=1.6.2
+      env: LAZ_VER=$PROJECT_LAZARUS_VERSION
     - os: osx
-      env: LAZ_VER=1.6.2
-      osx_image: xcode9
+      env: LAZ_VER=$PROJECT_LAZARUS_VERSION
+      osx_image: $PROJECT_OSX_IMAGE
 
 
 before_install:
@@ -36,29 +34,29 @@ install:
 
 script:
 # Build trackereditor project (Debug mode)
-  - lazbuild --build-mode=Debug $LAZ_OPT $LPI_EDITOR_PATH/trackereditor.lpi
+  - lazbuild --build-mode=Debug $LAZ_OPT $PROJECT_LPI_EDITOR_PATH
 
 # Build unit test project (Debug mode)
-  - lazbuild --build-mode=Debug $LAZ_OPT $LPI_UNIT_TEST_PATH/tracker_editor_test.lpi
+  - lazbuild --build-mode=Debug $LAZ_OPT $PROJECT_LPI_UNIT_TEST_PATH
 
 # Start the unit test
   - source ./scripts/travis_unit_test.sh
 
 before_deploy:
 # Build trackereditor project (Release mode)
-  - lazbuild --build-mode=Release $LAZ_OPT $LPI_EDITOR_PATH/trackereditor.lpi
+  - lazbuild --build-mode=Release $LAZ_OPT $PROJECT_LPI_EDITOR_PATH
 
 # Create the zip file for deployment
   - source ./scripts/travis_deploy.sh
 
 deploy:
   provider: releases
-  prerelease: false
+  prerelease: $PROJECT_PRERELEASE
   skip_cleanup: true
   api_key:
-    secure: hmjev+YIClSOec6wMclUv5W4lgyLpdX7DlUpF2LQ1W/EO/x/b8RzmSPjNZ5sa7IDUe1WoVXm89G6HtkGGHcRqJrZjNn18HvpvEOnIYgIEXBVtW9uaURsSJ2LYve9beHHvYzs0doEQp1I24qTENUOqMABStk7MKRTATZ7nBWIinZVkpojEYIizQtCnUWwJXpzgs9mx7BEAVqLJPJ35oXNVjEgE96gsWMaYuX82BsVpL9VjGIaYpbEc1iBFBr2RHTgHG03H+2wBewJ4gh3hFwq9vt6mEqdC6Y9UIqmAEUMzCpokqrIfV2cfnPe24miPqmCLboua7Ddu8OpLj/yQ9DvC8xVEVh8aiGszzPvnytaFuRfLxI5HdAtUkA/9P3dXwjJKLJs568kyCTz4Tk7Icrb7seS1i84BJs3Vp2/lkmqDRDR0OqVGTczZGsxfTK+iaZJaNXb999BmGBw+xnPuG1lgrjHUYyEH2ha9D/9eOXiQfxdKUktPs1cF0II7uv5Cg3LEcFyN/A7jblNpM5B9cnf5kJ13lbpqL+Eyig90b9Q9YsrwGGOqtXJG+jSqXOv0O9/warFJfadA0avJljOFv4Pxl4tYe73EA/gP1GVG5UVC/F9nWZhUzP1kPCjzTzHoYBDCmHf8/GErdpCtibqRHoMIelrbcpe0jr+j5aNPxnTKAc=
+    secure: $PROJECT_DEPLOY_PUBLIC_KEY
   file: "${RELEASE_ZIP_FILE}"
   on:
     tags: true 
-    repo: GerryFerdinandus/bittorrent-tracker-editor
+    repo: $PROJECT_REPO