Add spm support

[popomore]

A nicer package manager: http://spmjs.io
Documentation: http://spmjs.io/documentation

http://spmjs.io/package/mockdate

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It is a browser-side package manager popular in China, suppling a complete lifecycle managment of package via spm.

If you need ownership of mockdate in spmjs, I can add it for your account after signing in http://spmjs.io.

spmjs/spm#781

[popomore]

add npmignore

before

PATH               SIZE       %   
package.json       767 B      0%  
.npmignore         N/A            
README.md          1.67 kB    1%  
LICENSE            1.07 kB    0%  
Gruntfile.js       277 B      0%  
.travis.yml        82 B       0%  
component.json     280 B      0%  
src/mockdate.js    1.7 kB     1%  
tests/chai.js      114.45 kB  47% 
tests/mocha.js     119.98 kB  49% 
tests/tests.js     1.78 kB    1%  
tests/runner.html  338 B      0%  

DIR                SIZE       %   
src/               1.7 kB     1%  
tests/             236.55 kB  98% 
.                  242.4 kB   100%

after

PATH             SIZE     %   
package.json     767 B    13% 
.npmignore       19 B     0%  
README.md        1.67 kB  28% 
LICENSE          1.07 kB  18% 
Gruntfile.js     277 B    5%  
.spmignore       19 B     0%  
.travis.yml      82 B     1%  
component.json   280 B    5%  
src/mockdate.js  1.7 kB   29% 

DIR              SIZE     %   
src/             1.7 kB   29% 
.                5.89 kB  100%

[afc163]

👍

[afc163]

ping~

[boblauer]

@popomore If you wouldn't mind adding me as an owner to this package in spm, I'll be sure to publish all changes to the module there when I make them.

[popomore]

Thanks for merging, I have added you as an owner.