test script update
now can use
- gradle testAll  ==> all test cases
- gradle testAllButLong (exclude test classes starting with LongRunning)
- gradle testAllButLongCrypto (idem with crypto enabled through jvm arg)
- gradle testScenario (only include test classes ending with ScenarioTest)
removing test suites
update TestConfigUtil to read jvm arg for crypto
rename classes with ScenarioTest in name
Merge pull request #35 from vwiencek/master

Remove CollectionUtilTest from test suite so that « gradle test » now wo...
- « gradle test » runs all tests but the long running
- « gradle testAll » runs all
max parallel number = 2

group = "verification" added
description = " ... " added
Merge branch 'fix-test' of https://github.com/vwiencek/syncany
Fix typos, merge Vincent's 'gradle test' configs/code; closes #37
Merge branch 'master' into fix-tm

Conflicts:
	syncany-plugins/syncany-plugin-ftp/build.gradle
	syncany-plugins/syncany-plugin-sftp/src/test/java/org/syncany/connection/plugin/sftp/SftpConnectionPluginTest.java