Merge pull request #455 from Arcterus/deprecation

Fix build and other issues
wc: boost speed to be nearly as fast as GNU
Merge pull request #456 from Arcterus/wc-speed

wc: boost speed to be nearly as fast as GNU
tail: print bytes as char instead of u8
Merge pull request #458 from dokaptur/tail

tail: print bytes as char instead of u8
Fix most deprecation warnings and remove hacky nohup code