Mohit issues

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                                            Mohit

Remove kmap layout and instead use default layout

Fixes: #223 ~~and #236~~ The kmap layout is removed, and the default layout is used instead of it in Intractive Karnaugh Map page, and some dark-mode issues of the same...

For GCI task: issue #55

For GCI : Added explanation about flip-flop, and types of flip-flops in the FLIP-FLOP INTERACTIONS as per the issue #55 ![aa01](https://user-images.githubusercontent.com/58560983/70385875-a370a700-19b7-11ea-947f-adeeb8d5f110.png) ![aa02](https://user-images.githubusercontent.com/58560983/70400304-5096fe00-1a50-11ea-9b3c-120492de00e9.png) ![aa05](https://user-images.githubusercontent.com/58560983/70385879-a4a1d400-19b7-11ea-8ef3-cc36bbf57648.png) ![aa04](https://user-images.githubusercontent.com/58560983/70385878-a4a1d400-19b7-11ea-9e9b-1752bcbcf917.png) ![aa06](https://user-images.githubusercontent.com/58560983/70385880-a4a1d400-19b7-11ea-8fbe-6a3039fe6406.png) ![aa03](https://user-images.githubusercontent.com/58560983/70385877-a4093d80-19b7-11ea-9034-3d21d72b5647.png) ![aa07](https://user-images.githubusercontent.com/58560983/70385881-a53a6a80-19b7-11ea-89bf-4ac2fa59c5da.png) ![aa08](https://user-images.githubusercontent.com/58560983/70385882-a53a6a80-19b7-11ea-92f0-a364e65952e6.png) ![aa09](https://user-images.githubusercontent.com/58560983/70385883-a53a6a80-19b7-11ea-8d11-176dddfc3b4e.png)