Modified .gitignore

Changes:
- Removed OS-related rules (those should be globally ignored);
- Ignore Lockfiles;

.gitignore

@@ -1,65 +1,16 @@
-# General
-# -----------------
-
-# Logs
-logs
-*.log
-error_log
-
 # Package Managers
-# -----------------
+# -------
 
 composer.phar
+composer.lock
+yarn.lock
 vendor/
 node_modules/
 bower_components/
 
-# Macintosh
+# Logging
-# -----------------
+# -------
 
-.DS_Store
+*.log
-.AppleDouble
+error_log
-.LSOverride
+logs/
-
-# Icon must end with two \r
-Icon
-
-# Thumbnails
-._*
-
-# Files that might appear in the root of a volume
-.DocumentRevisions-V100
-.fseventsd
-.Spotlight-V100
-.TemporaryItems
-.Trashes
-.VolumeIcon.icns
-
-# Directories potentially created on remote AFP share
-.AppleDB
-.AppleDesktop
-Network Trash Folder
-Temporary Items
-.apdisk
-
-# Windows
-# -----------------
-
-# Windows image file caches
-Thumbs.db
-ehthumbs.db
-
-# Folder config file
-Desktop.ini
-
-# Recycle Bin used on file shares
-$RECYCLE.BIN/
-
-# Windows Installer files
-*.cab
-*.msi
-*.msm
-*.msp
-
-# Windows shortcuts
-*.lnk