Adding Orbview Imagery Material
Added Editing the Wiki Material
Added Tasking Manager Material
edited and modified edit-in-detail, conflict-resolution and adding-orbview-imagery sections for intermediate guide
Edited editing_the_wiki, quality assurance and tasking manager, correcting some grammars and fixed duplicate editing_the wiki
Merge pull request #4 from dichapabe/intermediate

Edited editing_the_wiki, quality assurance and tasking manager, correcti...
Merge pull request #3 from feyeandal/intermediate

edited and modified edit-in-detail, conflict-resolution and adding-orbvi...
add all chapters html