Merge branch 'master' into develop
updates committed by Yasset
fixed several bugs on protein tree table
fixed the problem with frozen metadata panel
removed border for the welcome pane
made Task class thread save and also added concurrency annotations.
refactored TaskManager to make it thread safe
made DataAccessMonitor thread safe
added calculator for the number of threads in a thread pool
fixed a bug where the assay summary panel was not cleared properly
Merge branch 'develop'
all the bug fixes from develop branch, also improved concurrency