+ added access functionality to scenario model and authorSystemContent model

- removed redundant local variable "name" from activateFunctionalities(), replacing occurrences with global_currentInputUnitName (equal to "name" after unit is clicked)
! fixed minor bug: unit names are now displayed in menu instead of "undefined"

# renamed reloadController.js authorSystemController.js
+ added two fake parameters to measurable-context-information.xml for testing
# moved cleanSections() to tabs.js
+ tried to make #selectOperator invisible on showDetailedContextInfo
# simplified context class color selection
# moved some functionality around so that nothing works anymore... (to be undone)

# un-refactored (in parts) overall project structure: removed (yet) hardly used modalWindows files, added controllers files
# updated (as of yet unsued) contextInfoModel
# put several pieces of functionality in their (for now) right-er places, like e.g. addUnitToScenarioModel(), addUnitToMenu(), ...
- removed redundant replaceMarker2()
+ translated enums in contextTab filler

# unobtrusified add-contextinfo-button-click-event-showcontextinfo-function (added listener to fillContextTab())

# transferred translations from contextInfoList to where they're rendered (translations belong to view, not model)
# started on dictionaries for translations and icons

# changed usages of old array_contextInformations (now contextList; using key identifiers instead of indices)
# serialized whole process (before: async), starting from main.js
# updated ContextInfoList structure description (comment): from array of arrays to array of objects

# refactored functionaliies.js into reloadController.js (comparison: function preserved)
# in reloadController.js: changed jQuery.ready into jsPlumb.ready due to delayed inst initialization
# simplified metaIcon choice and adding
# moved more code from general (tabs, modalWindows) to more specific files (metadataTabView, createScenarioModalWindowView, ...)
+ added propertyTab.js
- removed several unnecessary files from MVC scaffold

# further refactoring toward MVC