Fix for #6
Refactored main class, only initiate things when necessary.
Small bugfixes
Only check remote URL when the field loses focus
Small cleanup
Add activation hook to new class file.
Added compatibility check, removed unused method.
Fixing time display for non-GMT site defined timezones
Merge pull request #7 from emcniece/dev

Fixing time display for non-GMT site defined timezones
Render human_time_diff based on timezone
Fixed bug causing conflict with TEC plugin
Don't use REVISR_PATH for loading the plugin text domain
Correct method scope for settings_link and install
Fixed typo in capabilities
Check full path of backups
Updated tests
Fixed typo in tests
No more chdir in Revisr_DB.
Only load settings and post types when logged in
Removed unused property