Added some new sql files to sql_schema. fixed #46
Changed name of Client to Client 2 to be able to rename it to client (lower case 'c') afterwards, because git doesn't notice case changes in directory names in commits.
See 4597919
Added GPROZ directory with documents created so far for the GPROZ-MSP
Refactored 147d9f6 for better structure
Updated ticket.js to have the same properties as the database table column names plus some useful computed properties
Added documentation files to  docs
Created dateFormat handelbars-helper to be able to format a date for displaying. Implemented with moments.js witch was added to the lib directory.
Also added updated Gruntfile.js with new paths.
 Related to#60
updated ticket-comp to display creation_date/last_modify_date property and bound class important to isImportant property of ticket model. related to #60
renamed private_canban.hbs to board.hbs to better fit its purpose.
also changed the template rendering in private_caban route for this renaming. related to #60
renamed private_canban_controller.js to board_controller.js to better fit its purpose and changed the controllerSetup in private_canban_route to use this controller.
also added some new functions for better model handling in templates. related to #60
board.hbs did some structure changes
changed tag of ticket_title from span to h3 to better fit its purpose
styles.less did some positioning changes to better fit different display sizes, changed h1 - h5 basic settings, added main content class and the new class main_head  to Layout section. related to #60
added PSP.vsdx and PSP.pdf will new version will be final with better design
updated PSP.vsdx and PSP.pdf with better design
final version of PSP.vsdx and PSP.pdf
add server-architecture  documentation
Added client architecture documentation
changed some typos
added edit Aufgabenstellun.odt