update pics on about us
Merge pull request #41 from albanlv/master

Updated pictures on about us
added rupy, headlink and freyssinet
Merge pull request #42 from albanlv/master

Who said we don't have references and experience? 
replace phone number with mine
Merge pull request #43 from albanlv/master

Contact form phone number
client logos added
typo fixes
clients at the main page
renamed file