Update Credibility.wiki
Update Security.wiki
Update Exploring.wiki

para @xaiki que lo mira por tuiter
Add h2 header to wiki pages
Prueba de branch español
Update exploring_strand_skill.md
Navigaton Strand transalted to spanish
Strands wiki page #weblitstd
Navigation Strand translated, Gdoc doc #weblitstd
Strands wiki page trnaslated to spanish #weblitstd
Navigation wiki page translated to spanish #weblitstd
Web Mechanich wiki page translated to spanish #weblitstd
search wiki page translated to spanish #weblitstd
Credibility wiki page translated to spanish #weblitstd
Security wiki page translated to spanish #weblitstd
name dir correction
Correction of name in Español Branch translation #WebLitStd
merge resuelto
merge from master