Started working on User management
Finished user management

Now possible to add / delete users.
Add a user: crowd-summary.dev/users/add
Login: crowd-summary.dev/users/login
Logout: crowd-summary.dev/users/logout
Users overview (only when logged in): crowd-summary.dev/users
Removed info.php
Merge pull request #2 from yetti4/user-management

User management
Added Documents and Info Pages
Added phpliteadmin. Accesibilie through:
/phpliteadmin.php
Password: admin
Added document strcture pages
Improved script order (jquery)
Fixed top bar images relative links
Merge branch 'master' of https://github.com/yetti4/crowd-summary
CNGLsummarizer + howto guide
Added classifier4j
Merge branch 'summarizers' of https://github.com/yetti4/crowd-summary into summarizers