Update Python.gitignore
Update Python.gitignore
Create Umbraco.gitignore
Update Grails.gitignore to include default files

Only files under /web-app/WEB-INF/classes (build output) should be ignored by Git. Grails generates a few default (unchanging) files (applicationContext.xml, sitemesh.xml, a bunch of *.tld) that need to be there for some plugins to function properly (e.g., grails war).
gitignore VM crash logs
Added .gitignore for the DM language.
Update Dart.gitignore

Removed space from end of line which prevented the `pubspec.lock` from being ignored.
Merge pull request #936 from caffinatedmonkey/patch-2

Update Dart.gitignore to trim stray whitespace
Update on using boo script generated by Unity3D
Merge pull request #937 from ahmyi/patch-1

Ignore user-specific .booproj files
Update JetBrains.gitignore

Add plugin file description for JIRA config file containing username and password
Added *.synctex.gz(busy)

Sometimes it happens that you'd like to commit during a long LaTeX run. During this run, the document.synctex.gz is renamed to document.synctex.gz(busy). And you don't want to commit this file.
Merge pull request #895 from EvandroLG/patch-1

Update Python.gitignore
Merge pull request #926 from cknoblauch/patch-1

Update Grails.gitignore to include default files
Merge pull request #927 from Bananeweizen/patch-1

gitignore VM crash logs
Merge pull request #940 from cemmersb/patch-1

Update JetBrains.gitignore
Merge pull request #941 from edelbluth/master

Added *.synctex.gz(busy) to TeX template
Removed Visual Studio ignore rules from umbraco.gitignore
Merge pull request #920 from danlister/patch-1

Create Umbraco.gitignore
Merge pull request #930 from Lordovos/dmlang

Added template for the DM language.