ICSdroid 1.5 released

[rfc2822]

ICSdroid 1.5

• library and SDK level updates
• performance improvements (ical4j/2.1.3 with VTIMEZONE caching)
• minor bug fixes and optimizations

[rfc2822]

ICSdroid 1.5.1

• hotfix for crash bug

[rfc2822]

ICSdroid 1.5.2

• library updates (cert4android, ical4android, ical4j)
• raise API level to 19 (Android 4.4); required by ical4j

[devvv4ever]

ICSdroid 1.5.3

• take title/color from Intent when adding calendars (will take over name and color from DAVdroid 1.9.5+)
• take LAST-MODIFIED of exceptions into consideration
• Android 8 compatibility (notification channels)
• minor bug fixes and improvements
• library updates

[rfc2822]

ICSdroid 1.5.4

• Android 8 notification channel for self-signed certificates
• minor timeout fix for self-signed certificates

[rfc2822]

ICSdroid 1.5.5

• send HTTP header: Accept: text/calendar
• show ical4j version in HTTP User-Agent
• prevent multiple syncs to be run for the same account (bug on some devices)
• minor bug fixes and improvements

[rfc2822]

ICSdroid 1.5.6

Sends HTTP header Accept: text/calendar, */*;q=0.9 instead of Accept: text/calendar to improve compatibility with broken servers

[rfc2822]

ICSdroid 1.5.7

Minor improvements and bug fixes