common: servers.properties and config reader
common: spring-dependency + application context
Merge branch 'loadBalancerUpdate' into centralConfigNew
lbalancer: load serversConfig from commons via spring
commons: config: throw exception if key was not found in properties file
management: removed DownloadManager* stuff (not used/needed)
management: HighLevelNodeManagerImpl: get node name from config
management: switch to central serversConfig file
management/statistics: also use central serversConfig + maybe bugfix
management/statistics: init method for @autowired, fix dbPath
common: servers.properties fix callbackURL
management: RequestSenderThread cleanup and some logging
management: RequestAnalysis try to substitute download manager correctly
common: fix servers.properties sentiment method call
management: removed obsolete code
analysis: use common servers.properties, UNTESTED
Merge branch 'centralConfigNew' into balancingSophisticated

Conflicts:
	management/src/main/java/aic12/project3/service/loadBalancing/HighLevelNodeManagerImpl.java
	management/src/main/java/aic12/project3/service/loadBalancing/LoadBalancer.java
	management/src/main/java/aic12/project3/service/loadBalancing/RequestSenderThread.java
	management/src/main/java/aic12/project3/service/requestManagement/RequestAnalysisImpl.java
	management/src/main/java/aic12/project3/service/requestManagement/RequestQueueReadyImpl.java
	management/src/main/java/aic12/project3/service/util/ManagementConfig.java
	management/src/main/resources/applicationContext.xml