==== Ruby/Rails Stack for the apps ====

^ App       ^Ruby       ^ Rails   ^
| Learnexa | 1.8.7 | 2.3.4 | 
| Expertus Meeting | 1.9.2p290 |  2.3.18 | 
| Tin Can LRS | 2.1.1p79 | 3.2.17 | 
| Performance | 2.1.5p273 | 4.1.8 | 


All the apps will be migrated to ruby 2.1.5 and rails 4.1.8.