Notice of open competitions — EPSO/AD/304/15 — Bulgarian-language (BG) lawyer-linguists (AD 7) — EPSO/AD/305/15 — Spanish-language (ES) lawyer-linguists (AD 7) — EPSO/AD/306/15 — French-language (FR) lawyer-linguists (AD 7) — EPSO/AD/307/15 — Italian-language (IT) lawyer-linguists (AD 7)