Ajout de toute l internationnalisation

...main/java/fr/but/infoetu/MeetingPlannr/config/Config.java

...n/java/fr/but/infoetu/MeetingPlannr/config/WebConfig.java

src/main/java/fr/but/infoetu/MeetingPlannr/pojo/Request.java

src/main/resources/static/styles/main.css

.../uploads/6_70450569-5883-4df7-9d59-4b2250e547e1_10355.jpg

.../uploads/6_84728597-f598-4a62-ba39-5f78f201ac21_10355.jpg

.../uploads/6_9939fde8-765d-4a6b-91bc-fd3854fcfc42_10355.jpg

.../uploads/6_a97e4b43-2eca-48ec-8816-9f5bb1e8e645_10355.jpg

...loads/6_c775818e-e9c7-4772-8912-9700f312e344_25881466.jpg

.../uploads/6_e75f1c5d-048c-4d46-944d-9b7b857cf71e_10355.jpg

.../uploads/8_94bf7da7-644e-44c7-9e2a-05504ac0ebf1_10355.jpg

src/main/webapp/WEB-INF/jsp/admin/dashboard.jsp

src/main/webapp/WEB-INF/jsp/admin/editMeeting.jsp

src/main/webapp/WEB-INF/jsp/admin/meetings.jsp

src/main/webapp/WEB-INF/jsp/admin/requests.jsp

src/main/webapp/WEB-INF/jsp/admin/users.jsp

src/main/webapp/WEB-INF/jsp/common/footer.jsp

src/main/webapp/WEB-INF/jsp/common/header.jsp

src/main/webapp/WEB-INF/jsp/public/login.jsp

src/main/webapp/WEB-INF/jsp/public/register.jsp