latvian translation added
tidied up comments
updated resource files, AUTHORS list
Adding Intellij config to the ignore list
Rearranging the developer list
Update todo.txt as proof of commit for Andrew York
 0.5.9 release
Merge branch 'master' into release-0.5.9
updated README
moved README to README.md
updated for 0.5.10 release
Merge branch 'release-0.5.10'

Conflicts:
	pom.xml
I18n update
prep for release 0.5.11
Merge branch 'release-0.5.11'

Conflicts:
	pom.xml
ready for release
Merge branch 'release-0.5.12'

Conflicts:
	pom.xml
	src/main/resources/i18n/da/viewer.properties
	src/main/resources/i18n/eo/viewer.properties
	src/main/resources/i18n/es/viewer.properties
	src/main/resources/i18n/fr/viewer.properties
	src/main/resources/i18n/he/viewer.properties
	src/main/resources/i18n/it/viewer.properties
	src/main/resources/i18n/ja/viewer.properties
	src/main/resources/i18n/ru/viewer.properties
	src/main/resources/i18n/sk/viewer.properties
	src/main/resources/i18n/sl/viewer.properties
	src/main/resources/i18n/vi/viewer.properties
	src/main/resources/i18n/zh/viewer.properties
moved to 0.5.13
Merge branch 'release-0.5.13'

Conflicts:
	AUTHORS.txt
	pom.xml
	src/main/resources/i18n/fr/viewer.properties
removed Intellij files