Isolate build-related files from source

* [Changed] rename `phpcs.xml` -> `.phpcs.xml`
* [Changed] rename `build/` dir -> `_build/`
* [Changed] update paths in `.gitignore`
* [Changed] update paths in `.travis.yml`
* [Changed] update paths in `.sh` scripts

.gitignore

@@ -11,8 +11,8 @@ desktop.ini
 ._*
 
 # Travis
-/build/phpdoc-*/
-/build/phpdoc-*.git/
+/_build/phpdoc-*/
+/_build/phpdoc-*.git/
 
 # Composer
 /composer.lock

.phpcs.xml

@@ -6,9 +6,9 @@
     </description>
 
     <!--
-        Exclude build/ and vendor/ dirs as well as minified JavaScript files
+        Exclude _build/ and vendor/ dirs as well as minified JavaScript files
     -->
-    <exclude-pattern type="relative">^build/</exclude-pattern>
+    <exclude-pattern type="relative">^_build/</exclude-pattern>
     <exclude-pattern type="relative">^vendor/</exclude-pattern>
     <exclude-pattern>*.min.js</exclude-pattern>
 

.travis.yml

@@ -17,10 +17,10 @@ install:
   - composer install
 
 before_script:
-  - export PATH="$TRAVIS_BUILD_DIR/build:$TRAVIS_BUILD_DIR/vendor/bin:$PATH"
+  - export PATH="$TRAVIS_BUILD_DIR/_build:$TRAVIS_BUILD_DIR/vendor/bin:$PATH"
 
 script:
-  - phpcs --standard=phpcs.xml "$TRAVIS_BUILD_DIR"
+  - phpcs --standard=.phpcs.xml "$TRAVIS_BUILD_DIR"
 
 after_success:
   - deploy-phpdoc-branch.sh

_build/deploy-phpdoc-branch.sh

@@ -18,11 +18,11 @@ fi
 PHPDOC_ID="${TRAVIS_BRANCH//\//_}"
 
 generate-phpdoc.sh \
-    "$TRAVIS_BUILD_DIR" "$TRAVIS_BUILD_DIR/build/phpdoc-$PHPDOC_ID" \
+    "$TRAVIS_BUILD_DIR" "$TRAVIS_BUILD_DIR/_build/phpdoc-$PHPDOC_ID" \
     "Pico 1.0 API Documentation ($TRAVIS_BRANCH branch)"
 [ $? -eq 0 ] || exit 1
 
 deploy-phpdoc.sh \
-    "$TRAVIS_REPO_SLUG" "heads/$TRAVIS_BRANCH @ $TRAVIS_COMMIT" "$TRAVIS_BUILD_DIR/build/phpdoc-$PHPDOC_ID" \
+    "$TRAVIS_REPO_SLUG" "heads/$TRAVIS_BRANCH @ $TRAVIS_COMMIT" "$TRAVIS_BUILD_DIR/_build/phpdoc-$PHPDOC_ID" \
     "$TRAVIS_REPO_SLUG" "gh-pages" "phpDoc/$PHPDOC_ID"
 [ $? -eq 0 ] || exit 1

_build/deploy-phpdoc-release.sh

@@ -5,11 +5,11 @@
 PHPDOC_ID="${TRAVIS_BRANCH//\//_}"
 
 generate-phpdoc.sh \
-    "$TRAVIS_BUILD_DIR" "$TRAVIS_BUILD_DIR/build/phpdoc-$PHPDOC_ID" \
+    "$TRAVIS_BUILD_DIR" "$TRAVIS_BUILD_DIR/_build/phpdoc-$PHPDOC_ID" \
     "Pico 1.0 API Documentation ($TRAVIS_TAG)"
 [ $? -eq 0 ] || exit 1
 
 deploy-phpdoc.sh \
-    "$TRAVIS_REPO_SLUG" "tags/$TRAVIS_TAG" "$TRAVIS_BUILD_DIR/build/phpdoc-$PHPDOC_ID" \
+    "$TRAVIS_REPO_SLUG" "tags/$TRAVIS_TAG" "$TRAVIS_BUILD_DIR/_build/phpdoc-$PHPDOC_ID" \
     "$TRAVIS_REPO_SLUG" "gh-pages" "phpDoc/$PHPDOC_ID"
 [ $? -eq 0 ] || exit 1

_build/generate-phpdoc.sh

@@ -15,7 +15,7 @@ echo
 
 # generate phpdoc
 phpdoc -d "$PHPDOC_SOURCE_DIR" \
-    -i "$PHPDOC_SOURCE_DIR/build/" \
+    -i "$PHPDOC_SOURCE_DIR/_build/" \
     -i "$PHPDOC_SOURCE_DIR/vendor/" \
     -i "$PHPDOC_SOURCE_DIR/plugins/" -f "$PHPDOC_SOURCE_DIR/plugins/DummyPlugin.php" \
     -t "$PHPDOC_TARGET_DIR" \