[#45333699] Added code to select and change the company from the dropdown
[#45333699, #44156007] Fixed the CSS issue in menu and added handler for displaying the active tab
[#45333699, #44156007] Added status model, defined associations and updated sidebar to load the image of current company
deleted unused file
[#45333699, #44156007] Added views for status in the status page and created form for updating statuses
[#45333699, #44156007] Updated paperclip options for company to convert images to thumbnails, and designed the status line items
[#45333699, #44156007] Updated JS to clear the text field when the message is posted successfully
[#45333699, #44156007] Added pagination and moved things to partial
[#45333699, #44156007] Added delete functionality for statuses
[#45333699, #44156007] Fixed minor changes and added authenticate_user filter in status and company controller