SourceTree should be source-tree, not sourcetree

According to https://github.com/phinze/homebrew-cask/issues/365
Light Table 0.5.18
Fix menu-meters installer error

This issue is similar to #1255
It is an installer.app inside a dmg.
dbeaver 2.3.1
Jitsi (SIP Comminicator)
virtualbox 4.3.2-90405

updated virtualbox from 4.3.0-89960 to 4.3.2-90405
1Password 4.0.5
added jumpshare
Update sha1 to latest

Used the sha1 value supplied on the [download page](https://code.google.com/p/pandoc/downloads/detail?name=pandoc-1.12.1-1.dmg)
PwnageTool 5.1.1
updated cura with latest version
fixed typeo
Tor Browser Bundle 2.3.25-14
Wireshark 1.10.3
LogMeIn Ignition
Updated link to work with changes mad in version 0.18.0
Droplr 3.5.2
add cask for gimp lisanet
iExplorer 3.2.3.0b
SeaMonkey 2.22