Merge pull request #120 from tatref/master

Prevent 'command not found' if rustc is not yet installed
Removed tabs from travis configuration files
Fixed spaces
Changed the source of rust for travis.
Merge pull request #122 from reem/rust-source

Changed source of Rust for travis
Modified git-ignore to ignore built examples.
Merge pull request #124 from reem/enhance-git-ignore

Modified git-ignore to ignore built examples.
Made compiling work with Mingw for pure Rust libraries

Closes https://github.com/bvssvni/rust-empty/issues/123
Fixed bug that ignores source files in examples folder

Closes https://github.com/bvssvni/rust-empty/issues/125
Added watch script

Also removing ‘Cargo.toml’ with ‘clear-project’.
Added examples with 'watch'
Updated version number
Updated commands
Added -h for watch, switched args.
Merge pull request #127 from zzmp/doc-watch

Added -h for watch, switched args.
Added help tip
Fixed 'too many arguments' for watch.
Added direct link to raw view of Makefile
Merge pull request #128 from zzmp/fix-watch

Fixed 'too many arguments' for watch.
Added example