Squashed 'core/' changes from 1825f5d..27379a6

27379a6 Plugin not supported stack trace issue fixed. Fixes #111
a2079de Adding contributors link
6c7e76c Update CHANGELOG.md
55aae9f Added plugin compatibility check. Closes #104
3e343bc Merge Vadim's wildcard ignore changes
32cb98e Merge branch 'wildcardsToRegexps' of https://github.com/vadimpanin/syncany into develop
a894ae2 fix and test for ? mark in wildcards
4051a76 styling and test for ignoring files using wildcards
af0d0ce JavaDoc for new TransferManager interface
5fdf342 autoconverting wildcards to regexps
1e82ea4 Clear semantic of TM.test()
16c88ce Adjust Exceptions
fa40d5a Potentially fix path issue under Windows #107

git-subtree-dir: core
git-subtree-split: 27379a6340cd6e1cfa7a22645d92615dfa3224b8
Merge commit 'f708d81f5cea4e394ffa93fb73a2e1eb618c1609' into develop
Fix webdav 'init' directory creation. Fixes #110