add: script to fetch Libressl 2.1.1
Merge branch 'libs/libressl/fetch' into libs/libressl/upstream
execute libressl fetcher to fetch libressl 2.1.1
Merge branch 'libs/libressl/fetch' into libs/libressl/local
Merge branch 'libs/libressl/upstream' into libs/libressl/local
upd: libressl added .gitignore