Revert "fix readme"

This reverts commit 04a226bd44afcd706f504518836e89c7f9ba771e.
updating laravel
fix readme
removing files typos
001 - fix group model name in sentry config file causing error in setup.sh - group table seeder
Merge pull request #2 from m1lt0n/001-sentry-config-group-model-name

001 - fix group model name in sentry config file causing error in setup.... #1 #2
Implemented return to prev URL
Merge pull request #6 from peacemaker94/userlogin

Implemented return to prev URL