Icons: Rewrite using lib/fs.js

[DeathlyPlays]

Done @Mystifi :P

[TravisBuddy]

Travis tests have failed

Hey Insist, Please read the following log in order to understand the failure reason. It'll be awesome if you fix what's wrong and commit the changes.

Node.js: 7.7

npm test

``` > pokemon-showdown@0.11.2 test /home/travis/build/HoeenCoder/Wavelength > eslint --cache . && mocha /home/travis/build/HoeenCoder/Wavelength/wavelength-plugins/icons.js 7:17 error 'FS' is not defined no-undef 11:1 error Expected indentation of 1 tab but found 3 spaces indent 15:2 error 'FS' is not defined no-undef 26:13 error 'FS' is not defined no-undef 28:2 error 'FS' is not defined no-undef ✖ 5 problems (5 errors, 0 warnings) 1 error, 0 warnings potentially fixable with the `--fix` option. npm ERR! Test failed. See above for more details. ```

[TravisBuddy]

Travis tests have failed

Hey Insist, Please read the following log in order to understand the failure reason. It'll be awesome if you fix what's wrong and commit the changes.

Node.js: 7.7

npm test

``` > pokemon-showdown@0.11.2 test /home/travis/build/HoeenCoder/Wavelength > eslint --cache . && mocha /home/travis/build/HoeenCoder/Wavelength/wavelength-plugins/icons.js 7:17 error 'FS' is not defined no-undef ✖ 1 problem (1 error, 0 warnings) npm ERR! Test failed. See above for more details. ```

[DeathlyPlays]

@HoeenCoder @Mystifi bump

[Volco]

@DeathlyPlays this is 100% tested, no issues?

[DeathlyPlays]

Yes @Volco

[Volco]

@DeathlyPlays do the changes i've requested please

[DeathlyPlays]

You do realize my Dad died @Volco..... Kinda got a life to deal with

[Volco]

.>implying you told me when you didnt. and sorry to hear that but next time before being a jerk about it maybe tell the person first?