Fix file download example to save in userFolder instead of publicFolder
[#58025764] Change out old icons for new icons in building for ios guide.
[#58025764] Fix icons in create a new project guide
[#58025764] Fix typo in project-structure-4.0.png link.
[#58025764] update the rest of the images in the create_a_project page to 4.0 images.
Merge pull request #68 from javiermolina1234/fix_network_example

Fix file download example to save in userFolder instead of publicFolder
Merge pull request #70 from rhomobile/new-icons

[#58025764] Change out old icons for new icons in building for ios guide...
[#59232806] changed signal to signalindicators
[#58929090] partial fix of links
correct merge conflict