Initial commit
[MODIFICATION] Change cookie lifetime unit (from seconds to days)
[FEATURE] Added option to whitelist some IP addresses
[MODIFICATION] Changed readme file
[MODIFICATION] Changed readme file to markdown syntax
[MODIFICATION] Updated README.md file, listed available features
[FEATURE] Added option to select which block should be shown when access is restricted
[FEATURE] Installer script has been extended to insert one example block to use with cookie-restriction