* Adding a better error handling for DICOMWeb getJson method
* Adding a better error handling for DICOMWeb getBulkData method
* Fixinf some typos. Using console.error to log errors
* Better error handling for DIMSE connections
* Using meteor error in StudyListSearch to better display same error in the client
* Using Meteor.Error for a better pattern. Added an error message in the study list. created connection error types to DICOMWeb connection errors
* Changing error types for server connection. Added better errors for DIMSE server on sockets
* Improving viewer response to error being throw when not finding server to display studies
* OHIF-168: adding catches clauses for retrieveStudyMetada method
* OHIF-168: fixing typo in DIMSE.js
* OHIF-168: setting the session variable to false when starting a new studylist search
* OHIF-168: Using OHIF.log instead of console
* OHIF-168: removing parsing into string for OHIF.log in Connection.js
* OHIF-168: improving error message visibility in study viewer
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