Titles should be cropped to two lines in Collection tiles

[mark-dce]

ISSUE See screenshot

ACCEPTANCE

• [x] Titles should be truncated at 2 lines
• [x] Descriptions should be truncated at 3 lines
• [x] Text should not bleed outside the border outline
• [x] Should work for portrait thumbnails (120x90)
• [x] Should work for landscape thumbnails (90x120)

[jcoyne]

Still broken: