Upgrade to logback 1.1.7

Logback is now compact3 profile compatible. This improvement was requested in LOGBACK-1071 by Axel Fontaine with Max Urech providing the relevant pull-request.

Fixed ConcurrentModificationException being thrown when the reset() method is invoked on the LoggerContext instance. This issue was reported in LOGBACK-397 by Szczepan Faber with Ross Sargant providing the relevant test case.

TimeBasedRollingPolicy now supports the totalSizeCap property which allows the user to limit the total size of archived logs.

SizeAndTimeBasedRollingPolicy offers the same functionality as SizeAndTimeBasedFNATP did previously but with a simpler configuration structure.

Archive removal by RollingFileAppender is now performed asynchronously.

Unnecessary and incompatible %i token in fileNamePattern option with RollingFileAppender/TimeBasedRollingPolicy is now detected and the user alerted to the misconfiguration problem. This fixes LOGBACK-1143.

Joran can now handle logger names ending with a $, i.e. the first character in variable substitution. This issue was raised in LOGBACK-1149 by by Stevo Slavic.