Squashed 'core/' changes from 3cada65..cf60fa8

cf60fa8 Merge branch 'feature/noplugins' into develop
5f53dd1 Fix tests
98f5614 Remove FTP dependency in test
c595118 Removing default plugins FTP and WebDAV (first attempt)
6960571 Fixing Travis CI test issues
fbe2ab2 Merge branch 'feature/easyplugin' into develop, closes #26
20bf055 Defaults for plugin options
66db8c9 Plugin tests
e54b8a4 Error messages on wrong local file
6e73eb3 Help texts
1802bfb Formatting
08695be Adjusted plugins API; client side; nicer table output
db0321d No subdirectory in FTP upload
7821364 Merge branch 'develop' of github.com:binwiederhier/syncany into develop
d0cf537 Merge branch 'develop' into feature/easyplugin
5840d42 Fix CLI Exception messages
aec9d25 First attempt of a build upload for plugins
21dc600 Update README.md
2fd6faa Implement rest of 'sy plugin install/remove/list'; Feature complete now; CLI output still ugly; cleanup required
76453b3 Merge branch 'develop' into feature/easyplugin
3287ce3 Update Plugin class and plugin properties; tie embedded plugin versions to main application version
72f1f83 Fixing webdav repo detection bug
8a531ec Cont'd work on plugin list/uninstall; see #26
dbacce8 Merge branch 'develop' into feature/easyplugin
174c86e Merge branch 'develop' of https://github.com/binwiederhier/syncany into develop
7c7cfb7 Update build.gradle
1a075ef Update CHANGELOG.md
03bd8c3 Updating PKGBUILD for v0.1.1-alpha
6920331 Move Gradle variable replacement to main build file (doesn't work for plugins otherwise)
7ccf276 Classpath adjustments Linux/Windows
dc5fa0c Cont'd plugin stuff: sy plugin install <plugin-id> works now; now to the classpath ...
a817fab Cont'd 'sy plugin list' command/operation; retrieve and parse from api.syncany.org
fcceb4c Merge branch 'develop' into feature/easyplugin
f0be9d7 Merge branch 'develop' into feature/easyplugin
69b4709 Merge branch 'develop' into feature/easyplugin
6c5e09c Merge branch 'develop' into feature/easyplugin
06e63d7 Merge branch 'develop' into feature/easyplugin
db24662 Merge branch 'develop' into feature/easyplugin
5360743 Add plugin help text (desired semantic)
4c950df Beginning 'sy plugin (list|rlist|get|activate|deactivate)' command/operation

git-subtree-dir: core
git-subtree-split: cf60fa8b1f9455e6fd8acac4c24b9cfcb72a45e1
Merge commit 'b08d3e37db40e391fb93c552b51d2eaf03955c8e' into develop
Initial commit for REST plugin