closes #5
login function added.
logout draft function added (button only, without backend connection)
Removed bootstrap.min.js due to not using it
Corrected styling of script.js
Merge branch 'master' of https://github.com/vbezhenar/wespital into enh-5
Updated script.js to make login using POST request
Merge pull request #16 from vbezhenar/enh-5

closes #5