Advanced Parameter List: Fixes #439 adds .param & .txt extensions.
Mission DoChangeSpeed updated

Added extra parameters.
Setting default extension(.txt) when saving WP
Standard/Advanced Param View: Fix for components not being updated after initial connection and parameter request
Graph View: Proper fix for #432, lat/long were being handled as uint's. Also fixed a bug involving float parsing
Battery Monitor: Change of the battery monitor view
Graph View: Fix for bug causing duplicate removals/adding of graphs when a log is loaded
Mavlink Widget: Fix sort of MAVlink packets to be alphabetical in order
Configuration: APM Planner 2.0.15-rc1 release
Installer: Change for linux installer control file to have proper filename
Merge pull request #2 from diydrones/master

update