Modified projects landing

...ation_instructions/projects_landing/images/click_file.png

...tion_instructions/projects_landing/images/click_file2.png

...ation_instructions/projects_landing/images/delete_zip.png

...allation_instructions/projects_landing/images/extract.png

...instructions/projects_landing/images/extract_all_menu.png

installation_instructions/projects_landing/images/folder.png

...allation_instructions/projects_landing/images/uncheck.png

...lation_instructions/projects_landing/images/zipfolder.jpg

installation_instructions/projects_landing/index.html

installation_instructions/projects_landing/index.ipynb