Fixed "invalid option" on date and stat

date: invalid option -- 'j'
stat: invalid option -- 's'
Merge pull request #132 from tatref/master

Fixed "invalid option" on date and stat
Switched back to OSX commands for 'watch' script
Made watch script portable
Replace '&&' with '$(Q)' under 'make  help'

Closes https://github.com/bvssvni/rust-empty/issues/129
Fixed spelling error

Closes https://github.com/bvssvni/rust-empty/issues/133
Updated version number
Printing out names of example

Closes https://github.com/bvssvni/rust-empty/issues/134
Added example with compiling single example

Closes https://github.com/bvssvni/rust-empty/issues/136
Added hint of building single example

Closes https://github.com/bvssvni/rust-empty/issues/137
Changed [project] to [package] in Cargo config

Closes https://github.com/bvssvni/rust-empty/issues/138
Added symlink-build

Closes https://github.com/bvssvni/rust-empty/issues/131
Add missing quote

Resulted in bash errors on running `make help`.
Merge pull request #139 from hugwijst/patch-1

Add missing quote
Updated version number
Updated commands
Made Rust-Empty compile like Cargo

Closes https://github.com/bvssvni/rust-empty/issues/141
Closes https://github.com/bvssvni/rust-empty/issues/142
Fix target discovery for nightly
Merge pull request #143 from riccieri/patch-1

Fix target discovery for nightly
Updated README with Cargo convention

Closes https://github.com/bvssvni/rust-empty/issues/144