Release of v0.5.0

What's Changed

• Update README.md - Who to contact by @afbattaglia in #157
• Update README.md - correction of a little bug by @afbattaglia in #160
• Correct aspect scale by @FredSchuller in #161
• Fixed bug - Issue #163 by @paolomassa in #164
• Update transmission - Issue #141 by @grazwegian in #165
• Add STIX GSW version to primary header of OSPEX compatible spectrum f… by @grazwegian in #167
• stx_map2fits procedure added to the GSW by @afbattaglia in #159
• Transmission update by @grazwegian in #170
• Implemented new definition of (u,v) points by @paolomassa in #171
• stx_ospex_spectroscopy_demo & stx_imaging_demo - allow user to specif… by @grazwegian in #177
• Fix elut correction factor by @grazwegian in #178
• Check online version of ELUT and science energy channel configurations. by @grazwegian in #175
• More imaging available in pipeline by @FredSchuller in #176
• Clarify flare_location coordinates by @grazwegian in #169
• Use time shift keyword by @grazwegian in #180
• Call lightcurve without generating FITS files by @grazwegian in #181
• Energy calibration improvement by @grazwegian in #183
• Update of default eta value using empirical high trigger rate data by @grazwegian in #188
• Fixed bug in the estimation of the total number of bkg counts by @paolomassa in #186
• Basic routines for downloading L2 AUX and L1 science data by @grazwegian in #189
• Some Improvement in aspect processing by @FredSchuller in #179
• Fixed bug in selection of energy indices of pixel data matrix by @paolomassa in #185
• Tungsten transmission by @grazwegian in #184

Full Changelog: v0.4.0...v0.5.0