Techlash page title correction
Difficulty level tags added to cards
Merge branch 'bcb15-design' of https://github.com/BarcampBangalore/bcb

# By Aman
# Via Aman
* 'bcb15-design' of https://github.com/BarcampBangalore/bcb:
  Difficulty level tags added to cards
  Techlash page title correction