How does one become a Jedi shadow?

Why can't I find any data crons? I go to where they are on the map in the book and they are not there

I am a level 35 Jedi and I can not defet darth angril. If there something I should be doing in the fight that I am missing or am I just not strong enough

I am a Jedi level 16 when do I get my star ship and which one is the best one to get?

How can I up grade the amore and weapons for my droid?