UI/API changes

• NEW: download transactions in credit history
• NEW: added toggles to allow hiding no reply/no report results in measurements details results
• CHANGE: rework sorting in measurements results details (min to max rtt, no reply, no report)
• CHANGE: map markers now sort from highest RTT on bottom to lowest RTT on top
• CHANGE: added summary detail for RTT to DNS measurement detail overview
• FIX: wrong colors on QuickLook card map tags
• FIX: bad measurement link in credits history
• FIX: redirect after logout while in prefs
• TWEAK: use name instead of slug for tags display in probes list
• TWEAK: cell wrapping in measurements listing table
• TWEAK: locale strings in credits