update rvmrc and Gemfile to get a proper 1.9.2 compatible bundle install

Conflicts:
	.rvmrc
	Gemfile
	Gemfile.lock
replaced rcov by simplecov (more 1.9 compatible)
updated gems against deprecation warnings using ruby 1.9.3

Conflicts:
	Gemfile
	Gemfile.lock
updating gemfiles

Conflicts:
	Gemfile
	Gemfile.lock
update rvmrc + gemfile (new strategies)

Conflicts:
	.rvmrc
re-installing APIclient-related  gems
linked_id => linkedin
migration
remove old file
move back to linked_in syntax for APIClient
fix linkedIn search and update linkeIn API gem
fixed error in case linkedIn user id could not be found
upgrading to rails 3.1.6 and rvm to ruby 1.9.3p194

Conflicts:
	.rvmrc
updating rails to 3.2.6

Conflicts:
	Gemfile.lock
prevent from complaining about non existing twitter gem

Conflicts:
	Gemfile.lock
APIclient update
omniauth up-to-date config
Rebuild Gemfile.lock based on cherry picks from demental
Other updates needed to bring cherry picks into a working state
Resolve some spec errors, and update schema to include cherry picks