Merge branch 'development' of github.com:Kixunil/InstantSend-simplified into development
Redesigned plugin API
Json library improved to prevent memory leaks
Plugin API changed to improve memory management
Plugins changed according to new API
Improved internal plugin API to ensure CORRECT plugin loading/unloading
Event sink changed according to new internal API
Multithreading improved - it now creates joinable threads and wait for them to avoid race conditions and memory leaks
Main thread now ensures joining other threads
Pass string arguments by reference
Added reference counting to filewriter
Receiving changed according to new API
Updated sysapi headers
Common plugin API interface changed according to other changes
Applications changed according to new API
Events, plugin loading, multithreading merged into one library
appcontrol moved from sysapi/linux to sysapi/posix
Merge branch 'release-experimental' into development
Edited debian control files, so they create libinstantsend-common package
Added peer argument to seaccept