List all employees in employer's show page
Refractor github controller using proper association to create new github account and repos.

[completes #67002518]
Add calculation methods for LinkedIn stats.

[completes #67046798]
Add LinkedIn score calculation for industry and languages

[completes #67046798]
Fix LinkedIn calculation methods bug (does not need to take parameter)

[completes #67046798]
Add calculate_LI_education

[completes #67046798]
not sure, 3/7
Merge 3/7/14

Merge branch 'hai_mar5'